Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Revenues	$ 198,496	$ 178,220
Cost of sales	180,495	162,808
Gross profit	18,001	15,412
OPERATING EXPENSES:
Selling, general and administrative	16,846	16,086
Intangible amortization	733	1,683
Total operating expenses	17,579	17,769
Operating income (loss)	422	(2,357)
OTHER EXPENSE, net:
Interest expense, net	(1,984)	(2,309)
Other, net	123	118
Total other expense, net	(1,861)	(2,191)
Net loss before provision for income taxes	(1,439)	(4,548)
Provision for income taxes	48	38
LOSS FROM CONTINUING OPERATIONS	(1,487)	(4,586)
INCOME FROM DISCONTINUED OPERATIONS		63
NET LOSS	$ (1,487)	$ (4,523)
NET LOSS PER COMMON SHARE—BASIC:
Loss from continuing operations (in dollars per share)	$ (0.09)	$ (0.28)
Income from discontinued operations (in dollars per share)		0
Net loss - basic (in dollars per share)	$ (0.09)	$ (0.28)
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING—BASIC (in shares)	16,745,531	16,127,296
NET LOSS PER COMMON SHARE—DILUTED:
Loss from continuing operations (in dollars per share)	$ (0.09)	$ (0.28)
Income from discontinued operations (in dollars per share)		0
Net loss - diluted (in dollars per share)	$ (0.09)	$ (0.28)
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING—DILUTED (in shares)	16,745,531	16,127,296