FAIR VALUE (Details) $ in Thousands	Sep. 30, 2019 USD ($)
Carrying Amount [Member]
Financial Assets [Abstract]
Cash and cash equivalents	$ 11,757
Restricted cash	3,997
Prepaid expenses and other current assets	4,257
Financial Liabilities [Abstract]
Accrued expenses	9,523
Other short-term liabilities	595
Credit facility and term loan	26,902
Fair Value [Member]
Financial Assets [Abstract]
Cash and cash equivalents	11,757
Restricted cash	3,997
Prepaid expenses and other current assets	4,257
Financial Liabilities [Abstract]
Accrued expenses	9,523
Other short-term liabilities	595
Credit facility and term loan	20,182
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fair Value [Member]
Financial Assets [Abstract]
Cash and cash equivalents	11,757
Restricted cash	3,997
Prepaid expenses and other current assets	0
Financial Liabilities [Abstract]
Accrued expenses	0
Other short-term liabilities	0
Credit facility and term loan	0
Significant Other Observable Inputs (Level 2) [Member] | Fair Value [Member]
Financial Assets [Abstract]
Cash and cash equivalents	0
Restricted cash	0
Prepaid expenses and other current assets	4,257
Financial Liabilities [Abstract]
Accrued expenses	9,523
Other short-term liabilities	595
Credit facility and term loan	20,182
Significant Unobservable Inputs (Level 3) [Member] | Fair Value [Member]
Financial Assets [Abstract]
Cash and cash equivalents	0
Restricted cash	0
Prepaid expenses and other current assets	0
Financial Liabilities [Abstract]
Accrued expenses	0
Other short-term liabilities	0
Credit facility and term loan	$ 0