Summary of Significant Accounting Policies (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Accounting Policies [Abstract]
Inventory reserve	$ 72	$ 65
Contract retentions	2,146	1,704
Allowances for doubtful accounts	333	214
Advertising costs	$ 393	$ 384