XML 73 R60.htm IDEA: XBRL DOCUMENT
v3.19.1

Note 15 - Restatement to Previously Issued Condensed Consolidated Financial Statements - Restatements (Details) - USD ($) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2018 | Jun. 30, 2018 | Dec. 31, 2018 | Dec. 31, 2017
Deemed dividend attributable to preferred stock | $ (11,479,308) | $ (11,479,308) | $ (11,479,308) | $ (2,568,132)
Net loss applicable to common stockholders | $ (15,621,885) | $ (17,496,267) | $ (22,884,242) | $ (10,690,713)
Loss per common share -basic and diluted (in dollars per share) | $ (5.08) | $ (6.11) | $ (5.50) | $ (10.97)
Conversion of Series B convertible preferred stock to common stock |  |  |  |
Additional Paid in Capital, Convertible Preferred Stock [Member] |  |  |  |
Issuance of Series B convertible preferred stock, net of issuance costs | $ 6,926,778 |  |  |
Deemed Dividend on Series B convertible preferred stock | 11,479,308 |  |  |
Conversion of Series B convertible preferred stock to common stock | (7,821,992) |  |  |
Additional Paid in Capital, Common Stock [Member] |  |  |  |
Issuance of Series B convertible preferred stock, net of issuance costs |  | $ 5,363,759 |  |
Deemed Dividend on Series B convertible preferred stock |  | (11,479,308) |  |
Conversion of Series B convertible preferred stock to common stock |  | 7,422,013 |  |
Previously Reported [Member] |  |  |  |
Deemed dividend attributable to preferred stock | (4,782,100) | (4,782,100) |  |
Net loss applicable to common stockholders | $ (8,924,677) | $ (10,799,059) |  |
Loss per common share -basic and diluted (in dollars per share) | $ (2.90) | $ (3.77) |  |
Previously Reported [Member] | Additional Paid in Capital, Convertible Preferred Stock [Member] |  |  |  |
Issuance of Series B convertible preferred stock, net of issuance costs | $ 12,290,537 |  |  |
Deemed Dividend on Series B convertible preferred stock | 4,782,100 |  |  |
Conversion of Series B convertible preferred stock to common stock | $ (7,056,421) |  |  |
Previously Reported [Member] | Additional Paid in Capital, Common Stock [Member] |  |  |  |
Issuance of Series B convertible preferred stock, net of issuance costs |  | $ 0 |  |
Deemed Dividend on Series B convertible preferred stock |  | (4,782,100) |  |
Conversion of Series B convertible preferred stock to common stock |  | $ 6,656,442 |  |

X
- Definition Refers to the amount related to dividend on series A convertible preferred stock incurred during period. + References No definition available. + Details
Name: | atos_DividendOnSeriesConvertiblePreferredStock
Namespace Prefix: | atos_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of deemed dividend on preferred stock. + References No definition available. + Details
Name: | atos_PreferredStockDeemedDividend
Namespace Prefix: | atos_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=109260490&loc=d3e1337-109256 + Details
Name: | us-gaap_EarningsPerShareBasicAndDiluted
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22694-107794 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=109260490&loc=d3e1377-109256 + Details
Name: | us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The gross value of stock issued during the period upon the conversion of convertible securities. + References Reference 1: 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 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 210.5-02.29-31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. + References Reference 1: 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 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 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 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_StockIssuedDuringPeriodValueNewIssues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

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

X
- Details
Name: | srt_RestatementAxis=srt_ScenarioPreviouslyReportedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |