Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Jun. 30, 2023
Current assets:
Cash and cash equivalents	$ 47,160	$ 54,812
Accounts receivable, less allowances (December 31, 2023—$408 and June 30, 2023—$1,061)	158,182	145,764
Costs and estimated earnings in excess of billings on uncompleted contracts	40,426	44,888
Inventories	8,441	7,437
Income taxes receivable	449	496
Prepaid expenses	8,470	5,741
Other current assets	4,184	3,118
Total current assets	267,312	262,256
Restricted cash	25,000	25,000
Property, plant and equipment - net	42,486	47,545
Operating lease right-of-use assets	18,992	21,799
Goodwill	29,131	29,120
Other intangible assets, net of accumulated amortization	2,202	3,066
Other assets, non-current	19,711	11,718
Total assets	404,834	400,504
Current liabilities:
Accounts payable	61,887	76,365
Billings on uncompleted contracts in excess of costs and estimated earnings	117,273	85,436
Accrued wages and benefits	13,804	13,679
Accrued insurance	5,781	5,579
Operating lease liabilities	3,981	4,661
Other accrued expenses	2,339	1,815
Total current liabilities	205,065	187,535
Deferred income taxes	26	26
Operating lease liabilities	18,655	20,660
Borrowings under asset-backed credit facility	0	10,000
Other liabilities, non-current	2,178	799
Total liabilities	225,924	219,020
Commitments and contingencies
Stockholders’ equity:
Common stock—$0.01 par value; 60,000,000 shares authorized; 27,888,217 shares issued as of December 31, 2023 and June 30, 2023; 27,300,485 and 27,047,318 shares outstanding as of December 31, 2023 and June 30, 2023, respectively	279	279
Additional paid-in capital	140,668	140,810
Retained earnings	52,899	58,917
Accumulated other comprehensive loss	(8,745)	(8,769)
Stockholders' equity	185,101	191,237
Treasury stock, at cost — 587,732 shares as of December 31, 2023, and 840,899 shares as of June 30, 2023	(6,191)	(9,753)
Total stockholders' equity	178,910	181,484
Total liabilities and stockholders’ equity	$ 404,834	$ 400,504