Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 2,594	$ 9,086
Accounts receivable:
Trade, net of allowance of $0 and $0, respectively	81,181	84,953
Retainage	30,216	39,189
Other current	5,415	3,706
Income taxes receivable	395	339
Inventory	3,757	4,386
Costs and estimated earnings in excess of billings on uncompleted contracts	57,411	46,006
Prepaid expenses and other	2,939	4,124
Total current assets	183,908	191,789
Property and equipment, net	144,387	146,278
Inventory, non-current	4,781	4,915
Goodwill	69,483	69,483
Intangible assets, net of amortization	15,634	18,175
Other non-current	6,555	2,645
Total assets	424,748	433,285
Current liabilities:
Current debt, net of debt issuance costs	40,650	22,756
Accounts payable:
Trade	31,360	45,194
Retainage	1,717	1,990
Accrued liabilities	17,699	17,873
Taxes payable	0	256
Billings in excess of costs and estimated earnings on uncompleted contracts	24,528	33,923
Total current liabilities	115,954	121,992
Long-term debt, net of debt issuance costs	55,770	63,185
Other long-term liabilities	4,460	3,573
Deferred income taxes	12,682	13,243
Interest rate swap liability	0	26
Total liabilities	188,866	202,019
Commitments and contingencies
Stockholders’ equity:
Preferred stock -- $0.01 par value, 10,000,000 authorized, none issued	0	0
Common stock -- $0.01 par value, 50,000,000 authorized, 29,677,843 and 28,860,961 issued; 28,966,619 and 28,149,737 outstanding at September 30, 2018 and December 31, 2017, respectively	296	288
Treasury stock, 711,231 shares, at cost, as of September 30, 2018 and December 31, 2017, respectively	(6,540)	(6,540)
Other comprehensive income (loss)	357	(26)
Additional paid-in capital	179,214	174,697
Retained earnings	62,555	62,847
Total stockholders’ equity	235,882	231,266
Total liabilities and stockholders’ equity	$ 424,748	$ 433,285