CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at Dec. 31, 2015	$ 260,574	$ 76,485,650	$ (58,910,707)	$ (876,498)	$ 16,959,019
Balance (in shares) at Dec. 31, 2015	26,057,327
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense	$ 6,300	741,819	0	0	748,119
Share-based compensation expense (in shares)	629,994
Restricted stock exchanged for taxes	$ (682)	(56,661)	0	0	(57,343)
Restricted stock exchanged for taxes (in shares)	(68,229)
Conversion of related party debt and accrued interest	$ 176,885	43,991,964	0	0	44,168,849
Conversion of related party debt and accrued interest (in shares)	17,688,423
Issuance of common stock, net of expenses	$ 161,291	23,267,609	0	0	23,428,900
Issuance of common stock, net of expenses (in shares)	16,129,033
Comprehensive loss	$ 0	0	(22,094,947)	87,326	(22,007,621)
Balance at Dec. 31, 2016	$ 604,368	144,430,381	(81,005,654)	(789,172)	63,239,923
Balance (in shares) at Dec. 31, 2016	60,436,548
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Adoption of ASU 2016-09 | ASU 2016-09 [Member]	$ 0	111,497	(111,497)	0	0
Share-based compensation expense	$ 4,722	1,448,189	0	0	1,452,911
Share-based compensation expense (in shares)	472,168
Proceeds from exercise of stock options, net of shares exchanged for taxes	$ (31)	(7,946)	0	0	(7,977)
Proceeds from exercise of stock options, net of shares exchanged for taxes (in shares)	(3,050)
Comprehensive loss	$ 0	0	(882,750)	233,732	(649,018)
Balance at Dec. 31, 2017	$ 609,059	$ 145,982,121	$ (81,999,901)	$ (555,440)	$ 64,035,839
Balance (in shares) at Dec. 31, 2017	60,905,666