Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 1,350	$ 8,684
Accounts receivable:
Trade, net of allowance of $4,280 and $4,280, respectively	97,857	77,641
Retainage	44,236	30,734
Other current	3,207	4,257
Income taxes receivable	797	467
Inventory	1,124	1,056
Costs and estimated earnings in excess of billings on uncompleted contracts	38,280	9,217
Prepaid expenses and other	3,337	5,000
Total current assets	190,188	137,056
Property and equipment, net of depreciation	134,056	148,003
Operating lease right-of-use assets, net of amortization	19,602	0
Financing lease right-of-use assets, net of amortization	7,683	0
Inventory, non-current	7,220	7,598
Goodwill	0	0
Intangible assets, net of amortization	12,807	14,787
Other non-current	5,551	5,426
Total assets	377,107	312,870
Current liabilities:
Current debt, net of debt issuance costs	3,298	2,946
Accounts payable:
Trade	55,271	42,023
Retainage	631	736
Accrued liabilities	17,226	18,840
Income taxes payable	755	0
Billings in excess of costs and estimated earnings on uncompleted contracts	49,012	21,761
Current portion of operating lease liabilities	5,408	0
Current portion of financing lease liabilities	2,909	0
Total current liabilities	134,510	86,306
Long-term debt, net of debt issuance costs	65,148	76,119
Operating lease liabilities	14,817	0
Financing lease liabilities	3,609	0
Other long-term liabilities	20,484	8,759
Deferred income taxes	93	49
Interest rate liability	1,270	52
Total liabilities	239,931	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, 30,261,584 and 29,611,989 issued; 29,550,353 and 28,900,758 outstanding at September 30, 2019 and December 31, 2018, respectively	303	296
Treasury stock, 711,231 shares, at cost, as of September 30, 2019 and December 31, 2018, respectively	(6,540)	(6,540)
Other comprehensive loss	(1,270)	(52)
Additional paid-in capital	182,062	179,742
Retained loss	(37,379)	(31,861)
Total stockholders' equity	137,176	141,585
Total liabilities and stockholders' equity	$ 377,107	$ 312,870