Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 12,293	$ 1,589
Accounts receivable:
Trade, net of allowance for credit losses of $323 and $411, respectively	88,173	96,369
Retainage	41,379	36,485
Income taxes receivable	405	419
Other current	17,585	59,492
Inventory	1,428	1,548
Contract assets	28,529	32,271
Prepaid expenses and other	8,142	7,229
Total current assets	197,934	235,402
Property and equipment, net of depreciation	106,654	125,497
Operating lease right-of-use assets, net of amortization	14,686	18,874
Financing lease right-of-use assets, net of amortization	14,561	12,858
Inventory, non-current	5,418	6,455
Intangible assets, net of amortization	8,556	10,077
Deferred income tax asset	41	70
Other non-current	3,900	4,956
Total assets	351,750	414,189
Current liabilities:
Current debt, net of debt issuance costs	39,141	4,344
Accounts payable:
Trade	48,217	48,252
Retainage	923	716
Accrued liabilities	38,594	84,637
Income taxes payable	601	639
Contract liabilities	26,998	33,135
Current portion of operating lease liabilities	3,857	4,989
Current portion of financing lease liabilities	3,406	3,901
Total current liabilities	161,737	180,613
Long-term debt, net of debt issuance costs	259	29,523
Operating lease liabilities	11,637	14,537
Financing lease liabilities	10,908	8,376
Other long-term liabilities	18,942	19,837
Deferred income tax liability	169	207
Interest rate swap liability		1,602
Total liabilities	203,652	254,695
Stockholders' equity:
Preferred stock -- $0.01 par value, 10,000,000 authorized, none issued
Common stock -- $0.01 par value, 50,000,000 authorized, 31,712,457 and 31,171,804 issued; 31,001,226 and 30,460,573 outstanding at December 31, 2021 and December 31, 2020, respectively	317	312
Treasury stock, 711,231 shares, at cost, as of December 31, 2021 and December 31, 2020, respectively	(6,540)	(6,540)
Accumulated other comprehensive loss		(1,602)
Additional paid-in capital	185,881	184,324
Retained loss	(31,560)	(17,000)
Total stockholders' equity	148,098	159,494
Total liabilities and stockholders' equity	$ 351,750	$ 414,189