Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Schedule of intangible assets that are carried at cost less accumulated amortization
Cost	$ 2,703	$ 2,703
Accumulated Amortization	1,434	1,262
Net Amount	1,269	1,441
Non-Amortized Trade name [Member]
Schedule of intangible assets that are carried at cost less accumulated amortization
Cost	741	741
Accumulated Amortization
Net Amount	741	741
Non-compete agreements [Member]
Schedule of intangible assets that are carried at cost less accumulated amortization
Cost	248	248
Accumulated Amortization	248	248
Net Amount
Proprietary Technology [Member]
Schedule of intangible assets that are carried at cost less accumulated amortization
Cost	349	349
Accumulated Amortization	242	206
Net Amount	107	143
Customer Relationships [Member]
Schedule of intangible assets that are carried at cost less accumulated amortization
Cost	1,365	1,365
Accumulated Amortization	944	808
Net Amount	421	557
Amortized Intangible Assets [Member]
Schedule of intangible assets that are carried at cost less accumulated amortization
Cost	1,962	1,962
Accumulated Amortization	1,434	1,262
Net Amount	$ 528	$ 700