Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2023	Jun. 30, 2022
Current assets:
Cash and cash equivalents	$ 54,812	$ 52,371
Accounts receivable, less allowances (2023 - $1,061; 2022 - $1,320)	145,764	153,879
Costs and estimated earnings in excess of billings on uncompleted contracts	44,888	44,752
Inventories	7,437	9,974
Income taxes receivable	496	13,547
Other current assets	3,118	8,865
Prepaid Expense, Current	5,741	4,024
Total current assets	262,256	287,412
Restricted Cash	25,000	25,000
Property, plant and equipment, net	47,545	53,869
Operating lease right-of-use assets	21,799	22,067
Goodwill	29,120	42,135
Other intangible assets	3,066	4,796
Other assets	11,718	5,514
Total assets	400,504	440,793
Current liabilities:
Accounts payable	76,365	74,886
Billings on uncompleted contracts in excess of costs and estimated earnings	85,436	65,106
Accrued wages and benefits	13,679	21,526
Accrued insurance	5,579	6,125
Operating lease liabilities	4,661	5,715
Other accrued expenses	1,815	4,427
Total current liabilities	187,535	177,785
Deferred income taxes	26	26
Operating lease liabilities	20,660	19,904
Borrowings under asset-backed credit facility	10,000	15,000
Other liabilities, non-current	799	372
Total liabilities	219,020	213,087
Commitments and contingencies
Stockholders' equity:
Common stock—$.01 par value; 60,000,000 shares authorized; 27,888,217 shares issued as of June 30, 2023 and June 30, 2022; 27,047,318 and 26,790,514 shares outstanding as of June 30, 2023 and June 30, 2022, respectively	279	279
Additional paid-in capital	140,810	139,854
Retained earnings	58,917	111,278
Accumulated other comprehensive loss	(8,769)	(8,175)
Total stockholders' equity before treasury stock	191,237	243,236
Treasury stock, at cost — 840,899 and 1,097,703 shares as of June 30, 2023 and June 30, 2022, respectively	(9,753)	(15,530)
Total stockholders' equity	181,484	227,706
Total liabilities and stockholders' equity	$ 400,504	$ 440,793