Consolidated Statements of Changes in Stockholders' Equity (Deficit) (USD $)	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]
Balance at Dec. 31, 2012	$ 4,232,385	$ 3	$ 51,897,930	$ (47,665,548)
Balance (in shares) at Dec. 31, 2012		4,287,777
Stock-based compensation	996,307	0	996,307	0
Stock-based compensation (in shares)		31,628
Exercise of options	27,575	0	27,575	0
Exercise of options (in shares)		23,000
Net proceeds from the issuance of stock	4,449,994	1	4,449,993
Net proceeds from the issuance of stock (in shares)		850,877
Issuance of warrants in conjunction with the issuance of stock	(1,485,313)	0	(1,485,313)	0
Issuance of stock to ROS in exchange for debt waiver	630,000	1	629,999	0
Issuance of stock to ROS in exchange for debt waiver (in shares)		150,000
Net loss	(12,693,125)	0	0	(12,693,125)
Balance at Dec. 31, 2013	(3,842,177)	5	56,516,491	(60,358,673)
Balance (in shares) at Dec. 31, 2013		5,348,282
Stock-based compensation	935,316	0	935,316	0
Stock-based compensation (in shares)		38,364
Net proceeds from the issuance of stock	5,869,635	2	5,869,633	0
Net proceeds from the issuance of stock (in shares)		1,143,000
Issuance of restricted stock to employees	136,977	0	136,977	0
Issuance of warrants in conjunction with the issuance of stock	(1,461,796)	0	(1,461,796)	0
Issuance of stock to ROS in exchange for debt waiver	1,094,999	0	1,094,999	0
Issuance of stock to ROS in exchange for debt waiver (in shares)		150,000
Net loss	(10,507,869)	0	0	(10,507,869)
Balance at Dec. 31, 2014	$ (7,774,915)	$ 7	$ 63,091,620	$ (70,866,542)
Balance (in shares) at Dec. 31, 2014		6,679,646