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Note 15 - Subsequent Events	3 Months Ended
	Mar. 31, 2018
Notes to Financial Statements
Subsequent Events [Text Block]	15. SUBSEQUENT EVENTS On April 3, 2018, the sole holder of shares of Series A- 1 Stock converted 39,088 shares of Series A- 1 Stock into 1,085,778 shares of common stock. On April 3, 2018, the Company issued 91,820 shares of common stock to the sole holder of shares of Series A- 1 Stock in consideration of the conversion of $330,552 of accrued dividends payable on the Series A- 1 Stock resulting in a per share purchase price of $3.60.   On May 10, 2018, the Company issued 2,035  shares of common stock to its directors in payment of board fees.   On May 14, 2018, the Company issued 648  shares of common stock to its directors in payment of committee fees.

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The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

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