ACCRUED EXPENSES (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
ACCRUED EXPENSES
Accrued bonus	$ 563
Accrued legal	133	$ 360
Accrued payroll	35	49
Deferred rent payable	438	505
Accrued vacation	181	72
Other accrued expenses	59	58
Total accrued expenses	$ 1,409	$ 1,044