Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Statement [Abstract]
Revenues, net	$ 136,920	$ 104,386
Cost of revenues	98,187	76,436
Gross profit	38,733	27,950
Selling, general and administrative expenses	35,467	27,000
Income from operations	3,266	950
Other expense:
Interest expense	4,329	2,523
Other (income) expense, net	(1,715)	239
Total other expense, net	2,614	2,762
Income (loss) before provision (benefit) for income taxes	652	(1,812)
Provision (benefit) for income taxes	525	(503)
Net income (loss)	$ 127	$ (1,309)
Earnings (loss) per share of common stock
Basic common stock	$ 0.00	$ (0.05)
Diluted common stock	$ 0.00	$ (0.05)
Weighted average shares outstanding
Basic common stock	25,766,260	25,614,626
Diluted common stock	25,826,120	25,614,626