CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - 3 months ended Mar. 31, 2018 - USD ($)	Total	Common Stock [Member]	Additional Paid In Capital [Member]	Accumulated Deficit [Member]
Balance, Amount at Dec. 31, 2017	$ 3,658,127	$ 10,616	$ 161,067,538	$ (157,420,027)
Balance, Share at Dec. 31, 2017		10,615,724
Stock options exercised for cash, Amount	18,125	$ 10	18,115	0
Stock options exercised for cash, Share		10,416
Stock-based compensation, Amount	136,193	$ 10	136,183	0
Stock-based compensation, Share		10,042
Net loss	(3,196,486)	$ 0	0	(3,196,486)
Balance, Amount at Mar. 31, 2018	$ 615,959	$ 10,636	$ 161,221,836	$ (160,616,513)
Balance, Share at Mar. 31, 2018		10,636,182