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Note O - Equity (Details Textual) - USD ($) |  |  |  |  |  |  |  | 1 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 11, 2015 | Oct. 29, 2015 | Mar. 09, 2015 | Jan. 29, 2015 | Nov. 13, 2014 | Nov. 13, 2014 | Nov. 01, 2014 | Nov. 08, 2013 | Jan. 27, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Sep. 23, 2015 | Jun. 24, 2015 | Feb. 28, 2015
Convertible Preferred Stock [Member] | Series A-1 Shares [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum Ownership as a Result of Conversion |  |  |  |  |  |  |  |  |  | 9.99% |  |  |  |
Convertible Preferred Stock [Member] | Series A-1 Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Shares Issued |  |  |  |  |  |  |  |  |  | 90,000 | 0 |  |  |
Preferred Stock, Shares Authorized |  |  |  |  |  |  |  |  |  | 100,000 | 100,000 |  |  |
Preferred Stock, Par or Stated Value Per Share |  |  |  |  |  |  |  |  |  | $ 0.0001 | $ 0.0001 |  |  |
Preferred Stock, Shares Outstanding |  |  |  |  |  |  |  |  |  | 90,000 | 0 |  |  |
Stock Issued During Period, Shares, New Issues | 5,500 | 84,500 |  |  |  |  |  |  |  | 90,000 |  |  |  |
Share Price | $ 100 | $ 100 |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Convertible Preferred Stock | $ 550,000 | $ 8,450,000 |  |  |  |  |  |  |  |  |  |  |  |
Initial Conversion Price |  |  |  |  |  |  |  |  |  | $ 0.30 |  |  |  |
Preferred Stock, Dividend Rate, Percentage |  |  |  |  |  |  |  |  |  | 6.00% |  |  |  |
Period Preceding the Dividend Payment Date |  |  |  |  |  |  |  |  |  | 10 days |  |  |  |
Dividends Payable |  |  |  |  |  |  |  |  |  | $ 97,392 |  |  |  |
Stock Issued During Period, Value, New Issues |  |  |  |  |  |  |  |  |  | $ 9 |  |  |  |
Convertible Preferred Stock [Member] | Series B-1 Shares [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum Ownership as a Result of Conversion |  |  |  |  |  |  |  |  |  | 9.99% |  |  |  |
Convertible Preferred Stock [Member] | Series B-1 Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Shares Issued |  |  |  |  |  |  |  |  |  | 105,000 | 0 |  |  |
Preferred Stock, Shares Authorized |  |  |  |  |  |  |  |  |  | 105,000 | 105,000 |  |  |
Preferred Stock, Par or Stated Value Per Share |  |  |  |  |  |  |  |  |  | $ 0.0001 | $ 0.0001 |  |  |
Preferred Stock, Shares Outstanding |  |  |  |  |  |  |  |  |  | 105,000 | 0 |  |  |
Stock Issued During Period, Shares, New Issues | 105,000 |  |  |  |  |  |  |  |  | 105,000 |  |  |  |
Share Price | $ 100 |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Convertible Preferred Stock | $ 10,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Initial Conversion Price |  |  |  |  |  |  |  |  |  | $ 0.30 |  |  |  |
Preferred Stock, Dividend Rate, Percentage |  |  |  |  |  |  |  |  |  | 2.50% |  |  |  |
Period Preceding the Dividend Payment Date |  |  |  |  |  |  |  |  |  | 10 years |  |  |  |
Liquidation Value Per Share |  |  |  |  |  |  |  |  |  | $ 100 |  |  |  |
Dividends Payable |  |  |  |  |  |  |  |  |  | $ 36,459 |  |  |  |
Stock Issued During Period, Value, New Issues |  |  |  |  |  |  |  |  |  | $ 11 |  |  |  |
Common Stock [Member] | Private Investor SPA [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues |  |  |  |  | 7,974,999 |  |  | 12,323,668 |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights |  |  |  |  | 5,981,251 | 5,981,251 |  |  |  |  |  |  |  | 5,981,250
Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period |  |  |  |  |  |  |  |  |  |  | 28,173 |  |  |
Stock Issued During Period, Shares, New Issues |  |  |  |  |  |  |  |  |  |  | 7,974,999 |  |  |
Stock Issued During Period, Value, New Issues |  |  |  |  |  |  |  |  |  |  | $ 797 |  |  |
Warrant [Member] | Private Investor SPA [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights |  |  |  |  |  |  |  | 12,323,668 |  |  |  |  |  |
Warrant [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3 |  |  | $ 98,065 |  |  |  |  |  |  | $ 68,035 |  |  |  |
Fair Value Assumptions, Risk Free Interest Rate |  |  |  |  |  |  |  |  |  | 1.58% |  |  |  |
Fair Value Assumptions, Expected Term |  |  |  |  |  |  |  |  |  | 4 years 69 days |  |  |  |
Fair Value Assumptions, Expected Dividend Rate |  |  |  |  |  |  |  |  |  | 0.00% |  |  |  |
Fair Value Assumptions, Expected Volatility Rate |  |  |  |  |  |  |  |  |  | 115.90% |  |  |  |
Private Investor SPA [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Value, New Issues |  |  |  |  |  |  |  | $ 3,697,100 |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights |  |  |  |  |  |  |  | $ 0.50 |  |  |  |  |  |
Term Of Warrant |  |  |  |  |  |  |  | 3 years |  |  |  |  |  |
Placement Agent Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights |  |  |  |  |  |  |  | 985,893 |  |  |  |  |  |
Commissions and Fees, Percent of Gross Proceeds |  |  |  |  |  |  |  | 8.00% |  |  |  |  |  |
Private Investor SPA [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, Reverse Stock Splits |  |  |  |  |  | 2 |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Cancelled |  |  |  |  |  |  | 7,974,999 |  |  |  |  |  |  |
Warrant Exercisable on Cashless Basis, Period Following Anniverary of Issuance Date |  |  |  |  |  |  | 2 years |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues |  |  |  | 13,956,250 |  |  |  | 12,323,668 |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights |  |  |  |  | 11,962,501 | 11,962,501 |  |  |  |  |  |  |  |
Stock Issued During Period, Value, New Issues |  |  |  |  | $ 1,595,000 |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights |  |  |  |  | $ 0.20 | $ 0.20 |  |  |  |  |  |  | $ 0.30 |
Term Of Warrant |  |  |  |  |  | 5 years |  |  |  |  |  |  |  |
Fair Value, Inputs, Level 3 [Member] | Warrants Issued Under PISPA [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances |  |  |  |  |  |  |  | $ 325,891 |  |  |  |  |  |
Warrants Issued Under PISPA [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings |  |  |  |  |  |  |  |  |  | $ 35,749 |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value |  |  |  |  |  |  |  |  |  | 7,478 | $ 43,227 |  |  |
Warrants Issued Under PISPA [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances |  |  |  |  |  |  |  |  |  | 43,227 |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings |  |  |  |  |  |  |  |  |  | 35,749 |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value |  |  |  |  |  |  |  |  |  | $ 7,478 |  |  |  |
Promissory Note [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights |  |  |  |  |  |  |  |  |  |  |  | 833,333 |  |
Preferred Stock, Shares Authorized |  |  |  |  |  |  |  |  |  | 5,000,000 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period |  |  |  |  |  |  |  |  |  | 0 | 54,166 |  |  |
Preferred Stock, Par or Stated Value Per Share |  |  |  |  |  |  |  |  |  | $ 0.0001 |  |  |  |
Proceeds from Issuance of Convertible Preferred Stock |  |  |  |  |  |  |  |  |  | $ 19,500,000 |  |  |  |
Dividends Payable |  |  |  |  |  |  |  |  |  | 133,851 | $ 3,435 |  |  |
Payments of Stock Issuance Costs |  |  |  |  |  |  |  |  |  | 459,102 | 103,157 |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights |  |  | 575,000 |  |  |  |  |  | 4,000,000 |  |  |  |  |
Stock Issued During Period, Value, New Issues |  |  |  |  |  |  |  |  |  | 19,500,000 | 1,595,000 |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights |  |  | $ 0.21 |  |  |  |  |  | $ 0.60 |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value |  |  |  |  |  |  |  |  |  | $ 104,284 |  |  |  |
Payments for Repurchase of Warrants |  |  |  |  |  |  |  |  | $ 150,000 |  | $ 150,000 |  |  |
Class of Warrant or Right, Nonemployee Compensation Expense |  |  |  |  |  |  |  |  |  | $ 51,026 |  |  |  |

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