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INCOME TAXES - Tax Statutory Rate Reconciliation and Changes in Uncertain Income Tax Positions (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Reconciliation of the tax (benefit) provision computed at the statutory rate to the effective tax rate    
Statutory U.S. federal income tax rate (as a percent) 34.00% 34.00%
State and local income taxes, net of federal income tax benefit (as a percent) 34.40% 4.60%
Permanent differences (as a percent) 12.70% (0.40%)
Change in valuation allowance (as a percent) (68.80%) (38.20%)
Change in uncertain tax positions (as a percent) (14.80%) 0.20%
Other (as a percent) 1.80%  
Effective income tax rate (as a percent) (0.70%) 0.20%
Changes in the uncertain income tax positions    
Beginning balance $ 56 $ 81
Tax positions related to prior years:    
Lapses in statutes of limitations (29) (25)
Total (29) (25)
Ending balance 27 56
Amount of unrecognized tax benefits that would affect the effective tax rate if the tax benefits were recognized 45  
Penalties and Interest Accrued $ 6 $ 18