LONG TERM DEBT AND NOTES PAYABLE TO BANK (Schedule of Long-Term Debt) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Total long-term debt	$ 4,446	$ 20
Less current maturities	2,942	20
Long-term debt	1,504	0
K and R, LLC [Member]
Debt Instrument [Line Items]
Total long-term debt	884	0
Grade Lane 7100, LLC [Member]
Debt Instrument [Line Items]
Total long-term debt	620	0
Revolving credit facility with MidCap and Wells Fargo [Member]
Debt Instrument [Line Items]
Total long-term debt	$ 2,942	$ 20