LONG TERM DEBT AND NOTES PAYABLE TO BANK (Schedule of Long-Term Debt) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Long-term Debt	$ 1,561	$ 1,536
Total long-term debt	8,549	6,618
Less amounts classified as current maturities	6,988	5,082
Revolving credit facility with MidCap, see above description for additional details
Debt Instrument [Line Items]
Total long-term debt	6,912	5,018
Equipment note [Member]
Debt Instrument [Line Items]
Total long-term debt	69	0
K and R, LLC [Member]
Debt Instrument [Line Items]
Total long-term debt	684	716
Grade Lane 7100, LLC [Member]
Debt Instrument [Line Items]
Total long-term debt	$ 884	$ 884