DERIVATIVE INSTRUMENTS (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2016	Feb. 29, 2016	Dec. 31, 2015
Derivative instruments
Derivatives gain (loss)	$ 554,000	$ 595,000	$ 795,000	$ (452,000)
Derivative instruments, fair value	519,000	2,359,000	519,000	2,359,000	$ 1,073,000	$ 1,314,000	$ 2,954,000		$ 1,907,000
Other Income (Expense)
Derivative instruments
Derivatives gain (loss)	$ 554,000	$ 595,000	$ 795,000	$ 452,000
Warrants
Derivative instruments
Number of shares into which a warrant may be converted							587,950	395,716
Warrants | Public Offering, May 2014
Derivative instruments
Number of shares into which a warrant may be converted	1,750,156		1,750,156