FAIR VALUE (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Nov. 14, 2019	Dec. 31, 2018
Derivative [Abstract]
Accumulated other comprehensive loss	$ (3,456)		$ (4,062)
Term Loan [Member]
Derivative [Abstract]
Amortization period	10 years
Amount of principal payment	$ 200
Carrying Amount [Member]
Financial Assets [Abstract]
Cash and cash equivalents	23,644		17,571
Restricted cash	15,000		28,375
Prepaid expenses and other current assets	4,190		2,461
Financial Liabilities [Abstract]
Accrued expenses	7,869		10,605
Other short term liabilities	199		2,324
Derivative qualifying as cash flow hedge	174
Credit facility	34,028		48,769
Fair Value [Member]
Financial Assets [Abstract]
Cash and cash equivalents	23,644		17,571
Restricted cash	15,000		28,375
Prepaid expenses and other current assets	4,190		2,461
Financial Liabilities [Abstract]
Accrued expenses	7,869		10,605
Other short term liabilities	199		2,324
Derivative qualifying as cash flow hedge	174
Credit facility	34,028		43,096
Interest Rate Swap [Member]
Derivative [Abstract]
Notional amount	19,800	$ 20,000
Fair value of derivative	100
Interest expense	100
Interest Rate Swap [Member] | Other Long-Term Liabilities [Member]
Derivative [Abstract]
Accumulated other comprehensive loss	100
Derivative liability	$ 100
Interest Rate Swap [Member] | Term Loan [Member]
Derivative [Abstract]
Fixed rate	5.36%
London Interbank Offered Rate (LIBOR) [Member] | Interest Rate Swap [Member] | Term Loan [Member]
Derivative [Abstract]
Variable rate	3.50%
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fair Value [Member]
Financial Assets [Abstract]
Cash and cash equivalents	$ 23,644		17,571
Restricted cash	15,000		28,375
Prepaid expenses and other current assets	0		0
Financial Liabilities [Abstract]
Accrued expenses	0		0
Other short term liabilities	0		0
Derivative qualifying as cash flow hedge	0
Credit facility	0		0
Significant Other Observable Inputs (Level 2) [Member] | Fair Value [Member]
Financial Assets [Abstract]
Cash and cash equivalents	0		0
Restricted cash	0		0
Prepaid expenses and other current assets	4,190		2,461
Financial Liabilities [Abstract]
Accrued expenses	7,869		10,605
Other short term liabilities	199		2,324
Derivative qualifying as cash flow hedge	174
Credit facility	34,028		43,096
Significant Unobservable Inputs (Level 3) [Member] | Fair Value [Member]
Financial Assets [Abstract]
Cash and cash equivalents	0		0
Restricted cash	0		0
Prepaid expenses and other current assets	0		0
Financial Liabilities [Abstract]
Accrued expenses	0		0
Other short term liabilities	0		0
Derivative qualifying as cash flow hedge	0
Credit facility	$ 0		$ 0