The percentage of conversion cap.

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The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction.

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No definition available.

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Information pertaining the aggregate sales limitation represented as percentage of total outstanding share.

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The initial conversion price per share.

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The period preceding the applicable dividend payment date.

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Represents the fair value amount of shares granted during period.

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Term of warrant.

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Number of new units issued during the period.

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Exercise price per share or per unit of warrants or rights outstanding.

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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.

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Face amount or stated value per share of common stock.

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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.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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Gross number of share options (or share units) granted during the period.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Price of a single share of a number of saleable stocks of a company.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Expected term of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Per share or per unit amount of equity securities issued.

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Period Type:

Note 10 - Stockholders' Equity (Details Textual) - USD ($)																1 Months Ended				2 Months Ended	3 Months Ended		8 Months Ended	9 Months Ended
	Aug. 24, 2018	Aug. 22, 2018	Aug. 14, 2018	Aug. 09, 2018	May 31, 2018	May 23, 2018	May 14, 2018	May 10, 2018	Apr. 03, 2018	Mar. 28, 2018	Mar. 23, 2018	Nov. 11, 2015	Oct. 29, 2015	Sep. 23, 2015	Nov. 13, 2014	May 31, 2018	Apr. 30, 2018	Mar. 31, 2018	Sep. 30, 2017	May 23, 2018	Sep. 30, 2018	Mar. 31, 2018	May 31, 2018	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Preferred Stock, Shares Authorized																					5,000,000			5,000,000
Preferred Stock, Par or Stated Value Per Share																					$ 0.0001			$ 0.0001
Stock Issued During Period, Shares, Conversion of Convertible Securities											1,794,191
Common Stock, Par or Stated Value Per Share																					$ 0.0001			$ 0.0001		$ 0.0001
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Fair Value Amount																						$ 381,876
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Fair Value Amount																					$ 8,039
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate																					2.77%	2.56%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term																					4 years 182 days	4 years 182 days
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate																					0.00%	0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate																					143.00%	143.00%
Promissory Note [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights														69,445
Securities Purchase Agreement Warrants [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 1.50
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	2,392,502
Fair Value Adjustment of Warrants	$ 1,288,139
September 2015 Warrants [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 1.50
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	166,668
Fair Value Adjustment of Warrants	$ 140,827
Public Offering [Member]
Stock Issued During Period, Shares, New Issues		1,380,000
Units Issued During Period, Units, New Issues		1,200,000
Number of Common Shares Called, Per Unit		1
Common Stock, Par or Stated Value Per Share		$ 0.0001
Shares Issued, Price Per Share		$ 1.50
Proceeds from Issuance or Sale of Equity, Total		$ 2,070,000
Payments for Commissions, Percent		7.00%
Payments for Commissions		$ 144,900
Payments for Underwriting Expenses for Issuance or Sale of Equity		50,000
Proceeds from Issuance or Sale of Equity, Net, Total		$ 1,875,100
Public Offering [Member] \| August 2018 Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right		0.75
Class of Warrant or Right, Exercise Price of Warrants or Rights		$ 1.50
Warrants and Rights Outstanding, Term		5 years
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		1,035,000
Over-Allotment Option [Member]
Stock Issued During Period, Shares, New Issues		180,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		135,000
Private Investor SPA [Member]
Stock Issued During Period, Shares, New Issues															664,584
Class of Warrant or Right, Exercise Price of Warrants or Rights															$ 3.60
Class of Warrant or Right, Number of Securities Called by Warrants or Rights															996,877
Proceeds from Issuance of Private Placement															$ 1,595,000
Term Of Warrant															5 years
Director [Member]
Stock Issued During Period, Shares, Issued for Services			4,161				648	2,035		762	7,659
Stock Issued During Period, Value, Issued for Services										$ 1,501	$ 15,011
Six Non-Employee Members of the Board of Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross											9,000
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price											$ 1.96
Six Non-Employee Members of the Board of Directors [Member] \| Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period											3 years
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period											7 years
Certain Officers, Employees, and Contractors [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross											212,918
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price											$ 1.96
Certain Officers, Employees, and Contractors [Member] \| Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period											3 years
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period											7 years
Employee [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross				5,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period				3 years
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period				7 years
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price				$ 1.83
Conversion of Series A-1 Shares into Common Stock [Member]
Conversion of Stock, Shares Issued																							2,500,000
Conversion of Dividends Payable on Series A-1 Preferred Stock to Common Stock [Member]
Conversion of Dividends Payable, Shares Issued																							248,893
Conversion of Dividends Payable, Amount Converted																							$ 896,015	$ 356,015	$ (540,000)
Stock Issued During Period, Shares, Conversion of Convertible Securities					660,073				1,177,598
Conversion of Series B-1 Shares into Common Stock [Member]
Conversion of Stock, Shares Issued																				2,916,668
Conversion of Dividends Payable on Series B-1 Preferred Stock to Common Stock [Member]
Conversion of Dividends Payable, Shares Issued																				131,230
Conversion of Dividends Payable, Amount Converted																				$ 472,426				$ 472,426
Stock Issued During Period, Shares, Conversion of Convertible Securities						1,253,707
Series A-1 Convertible Preferred Stock [Member]
Preferred Stock, Shares Authorized																					100,000			100,000		100,000
Preferred Stock, Par or Stated Value Per Share																					$ 0.0001			$ 0.0001		$ 0.0001
Preferred Stock, Shares Issued, Total																					0			0		62,596
Stock Issued During Period, Shares, New Issues												5,500	84,500
Share Price												$ 100	$ 100
Proceeds from Issuance of Convertible Preferred Stock												$ 550,000	$ 8,450,000
Initial Conversion Price												$ 3.60
Conversion Cap												35.00%
Preferred Stock, Dividend Rate, Percentage												6.00%
Period Preceding the Dividend Payment Date												10 days
Liquidation Value Per Share												$ 100
Conversion of Dividends Payable, Amount Converted																$ 25,463	$ 330,552		$ 540,000
Preferred Stock, Shares Outstanding, Ending Balance																					0			0		62,596
Series A-1 Convertible Preferred Stock [Member] \| Maximum [Member]
Maximum Ownership as a Result of Conversion												9.99%
Series B-1 Convertible Preferred Stock [Member]
Preferred Stock, Shares Authorized																					105,000			105,000		105,000
Preferred Stock, Par or Stated Value Per Share																					$ 0.0001			$ 0.0001		$ 0.0001
Preferred Stock, Shares Issued, Total																					0			0		105,000
Stock Issued During Period, Shares, New Issues												105,000
Share Price												$ 100
Proceeds from Issuance of Convertible Preferred Stock												$ 10,500,000
Initial Conversion Price												$ 3.60
Preferred Stock, Dividend Rate, Percentage												2.50%
Period Preceding the Dividend Payment Date												10 days
Liquidation Value Per Share												$ 100
Conversion of Dividends Payable, Amount Converted																$ 55,342		$ 417,084
Equity Facility, Aggregate Sales Limitation, Percentage of Total Outstanding Share												19.99%
Preferred Stock, Shares Outstanding, Ending Balance																					0			0		105,000
Series B-1 Convertible Preferred Stock [Member] \| Maximum [Member]
Maximum Ownership as a Result of Conversion												9.99%
September 2015 Warrants [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights														$ 3.60
Term Of Warrant														5 years