SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Fair Value of Financial Instruments) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Liabilities
Long-term debt, related parties	$ (1,536)	$ (1,504)
Fair Value, Measurements, Recurring [Member] | Level 1 [Member]
Assets:
Cash and cash equivalents	841	526
Liabilities
Current maturities of long-term debt	0	0
Long-term debt, related parties	0	0
Fair Value, Measurements, Recurring [Member] | Level 2 [Member]
Assets:
Cash and cash equivalents	0	0
Liabilities
Current maturities of long-term debt	(5,018)	(2,942)
Long-term debt, related parties	(1,331)	(1,171)
Estimate of Fair Value Measurement [Member] | Fair Value, Measurements, Recurring [Member]
Assets:
Cash and cash equivalents	841	526
Liabilities
Current maturities of long-term debt	(5,018)	(2,942)
Long-term debt, related parties	$ (1,331)	$ (1,171)