Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 8,089	$ 12,293
Accounts receivable:
Trade, net of allowance for credit losses of $380 and $323, respectively	102,767	88,173
Retainage	49,907	41,379
Income taxes receivable	478	405
Other current	3,321	17,585
Inventory	1,801	1,428
Contract assets	27,018	28,529
Prepaid expenses and other	4,012	8,142
Total current assets	197,393	197,934
Property and equipment, net	104,307	106,654
Operating lease right-of-use assets, net of amortization	16,039	14,686
Financing lease right-of-use assets, net of amortization	17,096	14,561
Inventory, non-current	5,709	5,418
Intangible assets, net of amortization	7,936	8,556
Deferred income tax asset	22	41
Other non-current	2,980	3,900
Total assets	351,482	351,750
Current liabilities:
Current debt, net of debt issuance costs	32,184	39,141
Accounts payable:
Trade	72,979	48,217
Retainage	1,327	923
Accrued liabilities	23,059	38,594
Income taxes payable	793	601
Contract liabilities	27,877	26,998
Current portion of operating lease liabilities	4,589	3,857
Current portion of financing lease liabilities	3,876	3,406
Total current liabilities	166,684	161,737
Long-term debt, net of debt issuance costs	859	259
Operating lease liabilities	12,308	11,637
Financing lease liabilities	12,472	10,908
Other long-term liabilities	17,713	18,942
Deferred income tax liability	191	169
Total liabilities	210,227	203,652
Stockholders' equity:
Preferred stock -- $0.01 par value, 10,000,000 authorized, none issued
Common stock -- $0.01 par value, 50,000,000 authorized, 31,966,815 and 31,712,457 issued; 31,255,584 and 31,001,226 outstanding at June 30, 2022 and December 31, 2021, respectively	320	317
Treasury stock, 711,231 shares, at cost, as of June 30, 2022 and December 31, 2021, respectively	(6,540)	(6,540)
Additional paid-in capital	186,945	185,881
Retained loss	(39,470)	(31,560)
Total stockholders' equity	141,255	148,098
Total liabilities and stockholders' equity	$ 351,482	$ 351,750