Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Jun. 30, 2021
Current assets:
Cash and cash equivalents	$ 52,371	$ 83,878
Accounts receivable, less allowances (2022 - $1,320; 2021 - $898)	153,879	148,030
Costs and estimated earnings in excess of billings on uncompleted contracts	44,752	30,774
Inventories	9,974	7,342
Income taxes receivable	13,547	16,965
Other current assets	12,889	4,230
Total current assets	287,412	291,219
Restricted Cash	25,000	0
Property, plant and equipment, net	53,869	69,407
Operating lease right-of-use assets	22,067	22,412
Goodwill	42,135	60,636
Other intangible assets	4,796	6,614
Deferred income taxes	0	5,295
Other assets	5,514	11,973
Total assets	440,793	467,556
Current liabilities:
Accounts payable	74,886	60,920
Billings on uncompleted contracts in excess of costs and estimated earnings	65,106	53,832
Accrued wages and benefits	21,526	21,008
Accrued insurance	6,125	6,568
Operating lease liabilities	5,715	5,747
Other accrued expenses	4,427	5,327
Total current liabilities	177,785	153,402
Deferred income taxes	26	34
Operating lease liabilities	19,904	20,771
Borrowings under asset-backed credit facility	15,000	0
Other liabilities, non-current	372	7,810
Total liabilities	213,087	182,017
Commitments and contingencies
Stockholders' equity:
Common stock—$.01 par value; 60,000,000 shares authorized; 27,888,217 shares issued as of June 30, 2022 and June 30, 2021; 26,790,514 and 26,549,438 shares outstanding as of June 30, 2022 and June 30, 2021, respectively	279	279
Additional paid-in capital	139,854	137,575
Retained earnings	111,278	175,178
Accumulated other comprehensive loss	(8,175)	(6,749)
Total stockholders' equity before treasury stock	243,236	306,283
Treasury stock, at cost — 1,097,703 and 1,338,779 shares as of June 30, 2022 and June 30, 2021, respectively	(15,530)	(20,744)
Total stockholders' equity	227,706	285,539
Total liabilities and stockholders' equity	$ 440,793	$ 467,556