CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $)	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]
Balance at Dec. 31, 2012	$ 5,175,535	$ 12,919	$ 14,894,522	$ (9,731,906)
Balance (in shares) at Dec. 31, 2012		12,919,367
Issuance of common shares for cash	12,303,745	2,733	12,301,012	0
Issuance of common shares for cash (in shares)		2,733,333
Issuance of common shares for services	180,252	67	180,185	0
Issuance of common shares for services (in shares)		66,696
Issuance of common shares for capital raising fees, net	651,961	625	651,336	0
Issuance of common shares for capital raising fees , net (in shares)		625,000
Issuance of common shares for exercise of warrants	1,621,182	2,224	1,618,958	0
Issuance of common shares for exercise of warrants (in shares)		2,224,392
Stock option exercises	9,924	6	9,918	0
Stock option exercises (in shares)		5,546
Compensation cost for stock options granted to executives and employees	1,443,760	0	1,443,760	0
Net loss	(10,784,708)	0	0	(10,784,708)
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 for cash	14,002,162	5,834	13,996,328	0
Issuance of common shares for cash (in shares)		5,834,234
Issuance of common shares for services	0	23	(23)	0
Issuance of common shares for services (in shares)		22,728
Issuance of common shares for capital raising fees, net	(1,378,417)	0	(1,378,417)	0
Issuance of common shares for capital raising fees , net (in shares)		0
Issuance of common shares for exercise of warrants	32,000	20	31,980	0
Issuance of common shares for exercise of warrants (in shares)		20,000
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