Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Current assets
Cash and cash equivalents	$ 8,344	$ 1,619
Restricted cash	113	113
Accounts receivable, net	105,067	135,687
Contract assets	77,188	0
Costs and estimated earnings in excess of billings on uncompleted contracts	0	32,698
Advances to and equity in joint ventures, net	8	12
Other current assets	4,660	34,857
Total current assets	195,380	204,986
Property and equipment, net	21,287
Property and equipment, net		20,527
Intangible assets, net	12,311	12,953
Goodwill	6,129	10,488
Operating lease right-of-use assets	21,056	0
Deferred tax asset	4,786	4,409
Other assets	668	271
Total assets	261,617	253,634
Current liabilities
Current portion of long-term debt	4,425	3,141
Current operating lease liabilities	3,750	0
Accounts payable, including retainage	86,267	74,353
Contract liabilities	42,370	0
Billings in excess of costs and estimated earnings on uncompleted contracts	0	50,843
Accrued income taxes	12	0
Accrued expenses and other current liabilities	20,045	53,801
Total current liabilities	156,869	182,138
Long-term debt	38,868	23,614
Long-term operating lease liabilities	18,247	0
Other long-term liabilities	763	1,514
Total liabilities	214,747	207,266
Commitments and contingencies
Redeemable convertible preferred stock, net, par value $0.0001, 1,000,000 shares authorized, no shares issued and outstanding as of December 31, 2019 and December 31, 2018 ($0 redemption value as of December 31, 2019 and December 31, 2018)	0	0
STOCKHOLDERS’ EQUITY
Common stock, $.0001 par value; 100,000,000 shares authorized, 7,688,958 issued and outstanding at December 31, 2019 and 7,592,911 at December 31, 2018	1	1
Additional paid-in capital	56,557	54,791
Accumulated deficit	(9,688)	(8,424)
Total stockholders’ equity	46,870	46,368
Total liabilities and stockholders’ equity	$ 261,617	$ 253,634