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Note S - Subsequent Events	12 Months Ended
Note S - Subsequent Events	Dec. 31, 2017
Notes to Financial Statements
Subsequent Events [Text Block]	NOTE S —SUBSEQUENT EVENTS On March 23, 2018, holders of shares of the Company ’s Series B- 1 Convertible Preferred Stock (the “Series B- 1 Preferred”) converted 60,240 shares of Series B- 1 Preferred into 1,678,334 shares of common stock. On March 23, 2018, the Company issued 115,857 shares of common stock to holders of shares of Series B- 1 Preferred in consideration of the conversion of $417,084 of accrued dividends payable on the Series B- 1 Preferred resulting in a per share purchase price of $3.60. In connection with the forgoing transaction, the Company waived a standstill provision to permit a holder of shares of Series B- 1 Preferred to increase its conversion limitation to 19.99% of the Company’s issued and outstanding shares of common stock to be effective 61 days after such waiver. On March 23, 2018, the Company issued 7,659 shares of common stock to its directors in payment of board and board committee fees. On March 23, 2018, the Company issued options to purchase 9,000 shares of common stock to six non-employee members of the Board of Directors. The options have a three year vesting period, seven year term, and exercise price of $1.96. On March 23, 2018, the Company issued options to purchase 212,918 shares of the Company ’s common stock to certain officers, employees, and contractors. The options have a three year vesting period, seven year term, and exercise price of $1.96. On March 28, 2018, the Company issued 762 shares of common stock to its directors in payment of committee fees. The Company has reviewed subsequent events through the date of this filing.