LONG TERM DEBT AND NOTES PAYABLE TO BANK (Schedule of Long-Term Debt) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Total long-term debt	$ 7,280	$ 4,446
Less amounts classified as current maturities	5,711	2,942
Long-term Debt	1,569	1,504
Revolving credit facility with MidCap, see above description for additional details
Debt Instrument [Line Items]
Total long-term debt	5,647	2,942
K and R, LLC [Member]
Debt Instrument [Line Items]
Total long-term debt	1,013	884
Grade Lane 7100, LLC [Member]
Debt Instrument [Line Items]
Total long-term debt	$ 620	$ 620