Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 2,625	$ 8,684
Accounts receivable:
Trade, net of allowance of $4,280 and $4,280, respectively	84,482	77,641
Retainage	34,382	30,734
Other current	3,064	4,257
Income taxes receivable	600	467
Inventory	910	1,056
Costs and estimated earnings in excess of billings on uncompleted contracts	15,133	9,217
Prepaid expenses and other	4,853	5,000
Total current assets	146,049	137,056
Property and equipment, net of depreciation	136,841	148,003
Operating lease right-of-use assets, net of amortization	22,002	0
Financing lease right-of-use assets, net of amortization	8,618	0
Inventory, non-current	7,534	7,598
Goodwill	0	0
Intangible assets, net of amortization	14,127	14,787
Other non-current	5,620	5,426
Total assets	340,791	312,870
Current liabilities:
Current debt, net of debt issuance costs	2,950	2,946
Accounts payable:
Trade	42,611	42,023
Retainage	622	736
Accrued liabilities	13,631	18,840
Taxes payable	533	0
Billings in excess of costs and estimated earnings on uncompleted contracts	35,865	21,761
Current portion of operating lease liabilities	5,595	0
Current portion of financing lease liabilities	2,875	0
Total current liabilities	104,682	86,306
Long-term debt, net of debt issuance costs	76,492	76,119
Operating lease liabilities	17,109	0
Financing lease liabilities	4,862	0
Other long-term liabilities	3,151	8,759
Deferred income taxes	83	49
Interest rate swap liability	336	52
Total liabilities	206,715	171,285
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, 29,786,007 and 29,611,989 issued; 29,074,776 and 28,900,758 outstanding at March 31, 2019 and December 31, 2018, respectively	297	296
Treasury stock, 711,231 shares, at cost, as of March 31, 2019 and December 31, 2018, respectively	(6,540)	(6,540)
Other comprehensive loss	(336)	(52)
Additional paid-in capital	180,440	179,742
Retained loss	(39,785)	(31,861)
Total stockholders’ equity	134,076	141,585
Total liabilities and stockholders’ equity	$ 340,791	$ 312,870