v3.19.3.a.u2

Stockholders' Equity (Details Narrative) (10-K) - USD ($) |  |  |  |  | 3 Months Ended | 9 Months Ended | 12 Months Ended | 20 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 29, 2019 | Nov. 05, 2018 | Mar. 23, 2018 | Oct. 03, 2017 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2018 | Oct. 31, 2017 | Sep. 30, 2017
Common stock, shares authorized |  |  |  |  |  |  |  | 225,000,000 |  | 225,000,000 | 25,000,000 | 225,000,000 |  | 225,000,000
Common stock, par value |  |  |  |  |  |  |  | $ 0.001 |  | $ 0.001 | $ 0.001 | $ 0.001 |  | $ 0.001
Preferred stock, shares authorized |  |  |  |  |  |  |  | 15,000,000 |  |  |  |  |  | 15,000,000
Preferred stock, par value |  |  |  |  |  |  |  | $ 0.001 |  |  |  |  |  | $ 0.001
Reverse split stock |  |  | 1-for-10 reverse stock split |  | 1-for-10 reverse stock |  |  |  |  | 1-for-10 reverse stock |  |  |  |
Common stock, shares issued |  |  |  |  |  |  |  | 9,926,956 |  | 6,036,562 | 4,940,652 | 6,036,562 |  |
Preferred stock voting, description |  |  |  |  |  |  |  |  |  | Each share of the Company's common stock is entitled to one vote, and all shares rank equally as to voting and other matters. |  |  |  |
Payments to acquire common stock |  |  |  |  |  |  |  |  |  | $ 6,968,991 |  |  |  |
Number of options granted to purchase shares of common stock |  |  |  |  |  |  |  | 698,750 |  | 456,718 |  |  |  |
Additional warrants to purchase |  |  |  |  |  |  |  | 8,413,017 |  | 8,413,017 |  | 8,413,017 |  |
Number of options exercised to purchase shares of common stock |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from public offering |  |  |  |  |  |  |  |  |  |  | $ 23,029,750 |  |  |
Deemed dividend on preferred stock |  |  |  |  |  |  |  |  |  | 2,537,844 | 3,111,020 |  |  |
Gross proceeds from closing of private placement |  |  |  |  |  |  |  |  |  | $ 6,000,000 |  |  |  |
October 2017 Public Offering [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of options granted to purchase shares of common stock |  |  |  | 862,500 |  |  |  |  |  |  |  |  |  |
Number of options exercised to purchase shares of common stock |  |  |  | 297,500 |  |  |  |  |  |  |  |  |  |
Proceeds from public offering |  |  |  | $ 23,000,000 |  |  |  |  |  |  |  |  |  |
Underwriting discounts and commissions |  |  |  | 1,600,000 |  |  |  |  |  |  |  |  |  |
Other expenses with offering |  |  |  | 400,000 |  |  |  |  |  |  |  |  |  |
Deemed dividend |  |  |  | $ 1,600,000 |  |  |  |  |  |  |  |  |  |
October 2017 Public Offering [Member] | Capital Unit, Class A [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares of common stock sold, per share |  |  |  | $ 4.00 |  |  |  |  |  |  |  |  |  |
Number of common shares sold |  |  |  | 3,455,000 |  |  |  |  |  |  |  |  |  |
Number of warrants to purchase common stock |  |  |  | 3,455,000 |  |  |  |  |  |  |  |  |  |
October 2017 Public Offering [Member] | Capital Unit, Class B [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of common shares sold |  |  |  | 9,180 |  |  |  |  |  |  |  |  |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrant exercise price per share |  |  |  |  |  |  |  | $ 93.00 |  |  |  |  |  |
Exercise price per share |  |  |  |  |  |  |  | 93.00 |  |  |  |  |  |
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrant exercise price per share |  |  |  |  |  |  |  | 1.30 |  | $ 1.30 | $ 93.00 | $ 1.30 |  |
Exercise price per share |  |  |  |  |  |  |  | $ 1.30 |  | 1.30 | $ 93.00 | 1.30 |  |
PIPE Financing [Member] | November 2018 Private Placement Financing [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of warrants to purchase common stock |  | 2,307,685 |  |  |  |  |  |  |  |  |  |  |  |
Gross proceeds from closing of private placement |  | $ 5,500,000 |  |  |  |  |  |  |  |  |  |  |  |
2017 Aspire Purchase Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of common shares sold |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of common shares sold, value |  |  |  |  |  |  |  | $ 6,500,000 |  |  |  |  |  |
Percentage for common stock outstanding | 19.99% |  |  |  |  |  |  |  |  |  |  |  |  |
2017 Aspire Purchase Agreement [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum purchase price payable on one purchase date |  |  |  |  |  |  |  | $ 500,000 |  |  |  |  |  |
Number of common stock may be sold | 1,807,562 |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage for common stock outstanding | 19.99% |  |  |  |  |  |  |  |  |  |  |  |  |
2017 Aspire Purchase Agreement [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of common shares sold |  |  |  |  |  |  |  | 100,000 |  |  |  |  |  |
Minimum number of shares to be purchased under purchase notice |  |  |  |  |  |  |  | 100,000 |  |  |  |  |  |
Minimum stock price under purchase notice |  |  |  |  |  |  |  | $ 0.25 |  |  |  |  |  |
Average price paid |  |  |  |  |  |  |  | $ 0.86 |  |  |  |  |  |
2017 Aspire Purchase Agreement [Member] | March 2019 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares of common stock sold, per share |  |  |  |  |  |  |  |  |  | $ 0.25 |  | $ 0.25 |  |
Number of common shares sold |  |  |  |  |  |  |  |  |  | 100,000 |  |  |  |
Number of common shares sold, value |  |  |  |  |  |  |  |  |  | $ 6,500,000 |  |  |  |
Number of shares possible increase per trading day |  |  |  |  |  |  |  |  |  | 2,000,000 |  |  |  |
Aggreegate percentage of shares, direction under purchase notice |  |  |  |  |  |  |  |  |  | $ 30 |  |  |  |
Number of common stock may be sold |  |  |  |  |  |  |  |  |  | 1,807,562 |  |  |  |
Percentage for common stock outstanding |  |  |  |  |  |  |  |  |  | 19.99% |  |  |  |
2017 Aspire Purchase Agreement [Member] | March 2019 [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum purchase price payable on one purchase date |  |  |  |  |  |  |  |  |  | $ 500,000 |  | $ 500,000 |  |
Percentage for common stock outstanding |  |  |  |  |  |  |  |  |  | 19.99% |  |  |  |
2017 Aspire Purchase Agreement [Member] | March 2019 [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum number of shares to be purchased under purchase notice |  |  |  |  |  |  |  |  |  | 100,000 |  |  |  |
Minimum stock price under purchase notice |  |  |  |  |  |  |  |  |  | $ 0.25 |  |  |  |
Average price paid |  |  |  |  |  |  |  |  |  | $ 0.86 |  |  |  |
2017 Aspire Purchase Agreement [Member] | Aspire Capital Fund LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate of shares issued during period |  |  |  |  |  |  |  |  |  |  |  |  |  |
2017 Aspire Purchase Agreement [Member] | Aspire Capital Fund LLC [Member] | March 31, 20121 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to acquire common stock |  |  |  |  |  |  |  |  |  | $ 6,500,000 |  |  |  |
Warrant [Member] | October 2017 Public Offering [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of common shares sold |  |  |  | 3,455,000 |  |  |  |  |  |  |  |  |  |
Number of warrants to purchase common stock |  |  |  | 2,295,000 |  |  |  |  |  |  |  |  |  |
Warrant exercise price per share |  |  |  | $ 4.40 |  |  |  |  |  |  |  |  |  |
Additional warrants to purchase |  |  |  | 862,500 |  |  |  |  |  |  |  |  |  |
Proceeds from public offering |  |  |  | $ 10,100,000 |  |  |  |  |  |  |  |  |  |
Warrant term |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |
Exercise price per share |  |  |  | $ 4.40 |  |  |  |  |  |  |  |  |  |
Warrant [Member] | PIPE Financing [Member] | November 2018 Private Placement Financing [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrant exercise price per share |  | $ 1.30 |  |  |  |  |  |  |  |  |  |  |  |
Warrant term |  | 5 years |  |  |  |  |  |  |  |  |  |  |  |
Exercise price per share |  | $ 1.30 |  |  |  |  |  |  |  |  |  |  |  |
Warrant [Member] | Private Placement [Member] | Maximum [Member] | October 2017 Public Offering [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrant exercise price per share |  |  |  |  |  |  |  |  |  |  |  |  | $ 4.40 |
Exercise price per share |  |  |  |  |  |  |  |  |  |  |  |  | 4.40 |
Warrant [Member] | Private Placement [Member] | Minimum [Member] | October 2017 Public Offering [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrant exercise price per share |  |  |  |  |  |  |  |  |  |  |  |  | 1.30 |
Exercise price per share |  |  |  |  |  |  |  |  |  |  |  |  | $ 1.30 |
Series A Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares authorized |  |  |  |  |  |  |  | 9,500 |  | 9,500 | 15,000,000 | 9,500 |  |
Preferred stock, par value |  |  |  |  |  |  |  | $ 0.001 |  | $ 0.001 | $ 0.001 | $ 0.001 |  |
Preferred stock, shares issued |  |  |  |  |  |  |  | 4,080 |  | 4,080 | 9,140 | 4,080 |  |
Preferred stock, shares outstanding |  |  |  |  |  |  |  | 4,080 |  | 4,080 | 9,140 | 4,080 |  |
Preferred stock convertible into common stock conversion price per share |  |  |  |  |  |  |  |  |  | $ 4.00 |  |  |  |
Conversion of stock, shares converted |  |  |  |  | (1,600) | (1,260) | (320) |  |  |  |  |  |  |
Series B Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares authorized |  |  |  |  |  |  |  | 6,000 |  | 6,000 | 6,000 | 6,000 |  |
Preferred stock, par value |  |  |  |  |  |  |  | $ 0.001 |  | $ 0.001 | $ 0.001 | $ 0.001 |  |
Preferred stock, shares issued |  |  |  |  |  |  |  | 1,850 |  | 5,608 | 0 | 5,608 |  |
Preferred stock, shares outstanding |  |  |  |  |  |  |  | 1,850 |  | 5,608 | 0 | 5,608 |  |
Preferred stock convertible into common stock conversion price per share |  |  |  |  |  |  |  |  |  | $ 1.30 |  |  |  |
Conversion of stock, shares converted |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series C Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares authorized |  |  |  |  |  |  |  | 1,880 |  | 1,880 | 1,880 | 1,880 |  |
Preferred stock, par value |  |  |  |  |  |  |  | $ 0.001 |  | $ 0.001 | $ 0.001 | $ 0.001 |  |
Preferred stock, shares issued |  |  |  |  |  |  |  | 240 |  | 1,880 | 0 | 1,880 |  |
Preferred stock, shares outstanding |  |  |  |  |  |  |  | 240 |  | 1,880 | 0 | 1,880 |  |
Preferred stock convertible into common stock conversion price per share |  |  |  |  |  |  |  |  |  | $ 1.64 |  |  |  |
Conversion of stock, shares converted |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series A Convertible Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock convertible into common stock conversion price per share |  |  |  |  |  |  |  |  | $ 4.00 |  |  |  |  |
Number of common shares sold |  |  |  |  |  |  |  |  | 3,180 |  |  |  |  |
Conversion of stock, shares converted |  |  |  |  |  |  |  |  | 795,000 |  |  |  |  |
Series A Convertible Preferred Stock [Member] | October 2017 Public Offering [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, par value |  |  |  | $ 1,000 |  |  |  |  |  |  |  |  |  |
Number of common shares sold |  |  |  | 9,180 |  |  |  |  |  |  |  |  |  |
Conversion of stock, shares converted |  |  |  | 2,295,000 |  |  |  |  |  |  |  |  |  |
Proceeds from public offering |  |  |  | $ 5,100,000 |  |  |  |  |  |  |  |  |  |
Deemed dividend on preferred stock |  |  |  | 3,100,000 |  |  |  |  |  |  |  |  |  |
Series A Convertible Preferred Stock [Member] | PIPE Financing [Member] | November 2018 Private Placement Financing [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock exchange description |  | Certain investors in the PIPE financing who at the time of closing of the PIPE financing owned shares of the Company's Series A convertible preferred stock, exchanged, on a 1 for 1 share basis, their shares of Series A convertible preferred stock for shares of a newly designated class of Series C convertible preferred stock of the Company, with a stated value of $1,000 per share and convertible into shares of the Company's common stock at an initial conversion price per share of $1.64 (subject to customary adjustment for stock dividends and stock splits), ("the Exchange").. |  |  |  |  |  |  |  |  |  |  |  |
Common Stock [Member] | October 2017 Public Offering [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from public offering |  |  |  | $ 7,800,000 |  |  |  |  |  |  |  |  |  |
Series A Convertible Preferred Stock [Member] | PIPE Financing [Member] | November 2018 Private Placement Financing [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, par value |  | $ 1,000 |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock convertible into common stock conversion price per share |  | $ 1.30 |  |  |  |  |  |  |  |  |  |  |  |
Number of common shares sold |  | 6,000 |  |  |  |  |  |  |  |  |  |  |  |
Series C Convertible Preferred Stock [Member] | PIPE Financing [Member] | November 2018 Private Placement Financing [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, par value |  | $ 1,000 |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock convertible into common stock conversion price per share |  | $ 1.64 |  |  |  |  |  |  |  |  |  |  |  |
Deemed dividend on preferred stock |  | $ 700,000 |  |  |  |  |  |  |  |  |  |  |  |
Beneficial conversion feature price |  | $ 200,000 |  |  |  |  |  |  |  |  |  |  |  |

X
- Definition Aggreegate percentage of shares, direction under purchase notice. + References No definition available. + Details
Name: | RTTR_AggreegatePercentageOfSharesDirectionUnderPurchaseNotice
Namespace Prefix: | RTTR_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Average price paid. + References No definition available. + Details
Name: | RTTR_AveragePricePaid
Namespace Prefix: | RTTR_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Deemed dividend. + References No definition available. + Details
Name: | RTTR_DeemedDividend
Namespace Prefix: | RTTR_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Deemed dividend on preferred stock. + References No definition available. + Details
Name: | RTTR_DeemedDividendOnPreferredStock
Namespace Prefix: | RTTR_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Minimum number of shares to be purchased under purchase notice. + References No definition available. + Details
Name: | RTTR_MinimumNumberOfSharesToBePurchasedUnderPurchaseNotice
Namespace Prefix: | RTTR_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Minimum stock price under purchase notice. + References No definition available. + Details
Name: | RTTR_MinimumStockPriceUnderPurchaseNotice
Namespace Prefix: | RTTR_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of common stock may be sold. + References No definition available. + Details
Name: | RTTR_NumberOfCommonStockMayBeSold
Namespace Prefix: | RTTR_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares possible increase per trading day. + References No definition available. + Details
Name: | RTTR_NumberOfSharesPossibleIncreasePerTradingDay
Namespace Prefix: | RTTR_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage for common stock outstanding. + References No definition available. + Details
Name: | RTTR_PercentageForCommonStockOutstanding
Namespace Prefix: | RTTR_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Preferred stock exchange description. + References No definition available. + Details
Name: | RTTR_PreferredStockExchangeDescription
Namespace Prefix: | RTTR_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Warrant term. + References No definition available. + Details
Name: | RTTR_WarrantTerm
Namespace Prefix: | RTTR_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(4)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of warrants or rights outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Face amount or stated value per share of common stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_CommonStockParOrStatedValuePerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_CommonStockSharesAuthorized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_CommonStockSharesIssued
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4313-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586 + Details
Name: | us-gaap_ConversionOfStockSharesConverted1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of a favorable spread to a debt holder between the amount of debt being converted and the value of the securities received upon conversion. This is an embedded conversion feature of convertible debt issued that is in-the-money at the commitment date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21538-112644 + Details
Name: | us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109237563&loc=d3e33749-111570 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8813-108599 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_EquityMethodInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of expense classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4,6) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.7) -URI http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263 + Details
Name: | us-gaap_OtherExpenses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Cash paid for expenses incurred during underwriting activities (the process to review insurance applications, evaluate risks, accept or reject applications, and determine the premiums to be charged) for insurance companies. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3536-108585 + Details
Name: | us-gaap_PaymentsForUnderwritingExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of cash outflow for purchase of marketable security. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=118954083&loc=d3e26853-111562 + Details
Name: | us-gaap_PaymentsToAcquireMarketableSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Per share increase in conversion price of convertible preferred stock. Excludes change due to standard antidilution provision. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 + Details
Name: | us-gaap_PreferredStockConvertibleConversionPriceIncrease
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_PreferredStockParOrStatedValuePerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_PreferredStockSharesAuthorized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_PreferredStockSharesIssued
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_PreferredStockSharesOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Description of voting rights of nonredeemable preferred stock. Includes eligibility to vote and votes per share owned. Include also, if any, unusual voting rights. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 + Details
Name: | us-gaap_PreferredStockVotingRights
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash inflow associated with the amount received from entity's first offering of stock to the public. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromIssuanceInitialPublicOffering
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow associated with the amount received from entity's raising of capital via private rather than public placement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromIssuanceOfPrivatePlacement
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Cash received on stock transaction after deduction of issuance costs. + References No definition available. + Details
Name: | us-gaap_SaleOfStockConsiderationReceivedOnTransaction
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The number of shares issued or sold by the subsidiary or equity method investee per stock transaction. + References No definition available. + Details
Name: | us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction. + References No definition available. + Details
Name: | us-gaap_SaleOfStockPricePerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of new stock issued during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesNewIssues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of share options (or share units) exercised during the current period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(2) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of the reverse stock split arrangement. Also provide the retroactive effect given by the reverse split that occurs after the balance sheet date but before the release of financial statements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 4.C) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770 + Details
Name: | us-gaap_StockholdersEquityReverseStockSplit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=RTTR_OctoberTwoThousandAndSeventeenPublicOfferingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CapitalUnitsByClassAxis=us-gaap_CapitalUnitClassAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CapitalUnitsByClassAxis=us-gaap_CapitalUnitClassBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=RTTR_PIPEFinancingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=RTTR_NovemberTwoThousandAndEighteenPrivatePlacementFinancingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=RTTR_TwoThousandSeventeenAspirePurchaseAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardDateAxis=RTTR_MarchTwoThousandAndNineteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=RTTR_AspireCapitalFundLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardDateAxis=RTTR_MarchThirtyOneTwoThousandAndTwentyOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_WarrantMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=us-gaap_PrivatePlacementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_SeriesAPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_SeriesBPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_SeriesCPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=RTTR_SeriesAConvertiblePreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=RTTR_SeriesBConvertiblePreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=RTTR_SeriesCConvertiblePreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |