Consolidated Statement of Changes in Shareholders' Equity (Unaudited) - 3 months ended Mar. 31, 2017 - USD ($)	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit
Beginning Balance at Dec. 31, 2016	$ 7,397,248	$ 5,470	$ 157,514,740	$ (150,122,962)
Beginning Balance, Shares at Dec. 31, 2016		5,470,032
Issuance of common stock to vendor	5,925	$ 3	5,922
Issuance of common stock to vendor, Shares		2,500
Share-based compensation expense	146,627		146,627
Net loss	(1,733,437)			(1,733,437)
Ending Balance at Mar. 31, 2017	$ 5,816,363	$ 5,473	$ 157,667,289	$ (151,856,399)
Ending Balance, Shares at Mar. 31, 2017		5,472,532