NET LOSS PER COMMON SHARE (Details) - shares	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Anti-dilutive
Potentially dilutive securities not included in computation of net loss per share because effect would be anti-dilutive (in shares)	184,130	296,929
Stock Options
Anti-dilutive
Potentially dilutive securities not included in computation of net loss per share because effect would be anti-dilutive (in shares)	81,011	161,271
Warrants.
Anti-dilutive
Potentially dilutive securities not included in computation of net loss per share because effect would be anti-dilutive (in shares)	86,419	135,658
Unvested restricted stock units
Anti-dilutive
Potentially dilutive securities not included in computation of net loss per share because effect would be anti-dilutive (in shares)	16,700