CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]
Balance at Dec. 31, 2013	$ 10,601,651	$ 18,574	$ 31,099,691	$ (20,516,614)
Balance (in shares) at Dec. 31, 2013		18,574,334
Issuance of common shares and warrants	12,655,745	$ 5,854	12,649,891	0
Issuance of common shares and warrants (in shares)		5,854,234
Issuance of common shares for services	0	$ 23	(23)	0
Issuance of common shares for services (in shares)		22,728
Stock option exercises	200,000	$ 113	199,887
Stock option exercises (in shares)		112,762
Compensation cost for stock options granted to executives and employees	698,657	$ 0	698,657	0
Net loss	(14,657,926)	0	0	(14,657,926)
Balance at Dec. 31, 2014	9,498,127	$ 24,564	44,648,103	(35,174,540)
Balance (in shares) at Dec. 31, 2014		24,564,058
Issuance of common shares and warrants	9,109,274	$ 8,093	9,101,181	0
Issuance of common shares and warrants (in shares)		8,093,202
Compensation cost for stock options granted to executives and employees	894,656	$ 0	894,656	0
Net loss	(15,760,323)	0	0	(15,760,323)
Balance at Dec. 31, 2015	$ 3,741,734	$ 32,657	$ 54,643,940	$ (50,934,863)
Balance (in shares) at Dec. 31, 2015		32,657,260