Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 4,638	$ 30,938
Accounts receivable:
Trade, net of allowance for credit losses of $366 and $361, respectively	90,801	101,229
Retainage	37,394	42,044
Income taxes receivable	626	626
Other current	3,736	3,864
Inventory	2,662	2,699
Contract assets	70,974	81,522
Prepaid expenses and other	6,668	8,894
Total current assets	217,499	271,816
Property and equipment, net of depreciation	85,473	87,834
Operating lease right-of-use assets, net of amortization	26,723	25,696
Financing lease right-of-use assets, net of amortization	25,463	23,602
Inventory, non-current	6,785	6,361
Deferred income tax asset	26	26
Other non-current	1,615	1,558
Total assets	363,584	416,893
Current liabilities:
Current debt, net of debt issuance costs	9,222	13,453
Accounts payable:
Trade	51,012	80,294
Retainage	2,354	2,527
Accrued liabilities	22,548	37,074
Income taxes payable	374	570
Contract liabilities	58,619	64,079
Current portion of operating lease liabilities	9,416	9,254
Current portion of financing lease liabilities	10,018	8,665
Total current liabilities	163,563	215,916
Long-term debt, net of debt issuance costs	28,299	23,740
Operating lease liabilities	17,679	16,632
Financing lease liabilities	13,563	13,746
Other long-term liabilities	24,355	25,320
Deferred income tax liability	55	64
Total liabilities	247,514	295,418
Stockholders' equity:
Preferred stock -- $0.01 par value, 10,000,000 authorized, none issued
Common stock -- $0.01 par value, 50,000,000 authorized, 33,575,345 and 33,260,011 issued; 32,864,114 and 32,548,780 outstanding at March 31, 2024 and December 31, 2023, respectively	336	333
Treasury stock, 711,231 shares, at cost, as of March 31, 2024 and December 31, 2023, respectively	(6,540)	(6,540)
Additional paid-in capital	190,378	189,729
Retained loss	(68,104)	(62,047)
Total stockholders' equity	116,070	121,475
Total liabilities and stockholders' equity	$ 363,584	$ 416,893