CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($)	Common Stock [Member]	Additional Paid-in Capital - Stock-Based Compensation [Member]	Accumulated Deficit [Member]	Total
Balance at Dec. 31, 2013	$ 53,949,001	$ 9,940,980	$ (6,462,308)	$ 57,427,673
Balance (in shares) at Dec. 31, 2013	20,197,301
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	$ 0	1,687,523	0	1,687,523
Issuance of restricted stock	$ 0	0	0	0
Issuance of restricted stock (in shares)	185,032
Net loss	$ 0	0	(13,097,023)	(13,097,023)
Balance at Dec. 31, 2014	$ 53,949,001	11,628,503	(19,559,331)	46,018,173
Balance (in shares) at Dec. 31, 2014	20,382,333
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	$ 0	1,770,897	0	1,770,897
Issuance of restricted stock	$ 0	0	0	0
Issuance of restricted stock (in shares)	487,500
Stock option exercises	$ 291,246	(118,480)	0	172,766
Stock option exercises (in shares)	241,752
Net loss	$ 0	0	(9,573,059)	(9,573,059)
Balance at Dec. 31, 2015	$ 54,240,247	$ 13,280,920	$ (29,132,390)	$ 38,388,777
Balance (in shares) at Dec. 31, 2015	21,111,585