Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 26,600	$ 17,722
Accounts receivable, less allowance for doubtful accounts of $6,346 and $7,622, respectively	94,859	104,813
Accounts receivable - other	398	3,326
Inventories	122,214	124,976
Contract assets	51,390	52,980
Prepaid expenses and other current assets	11,856	14,166
Total current assets	307,317	317,983
Property, plant and equipment, net	51,460	51,392
Operating lease right-of-use assets	13,853	9,113
Deferred tax asset	10,704	10,718
Intangible assets, net	54,427	55,753
Other assets	12,658	11,982
Total assets	450,419	456,941
Current liabilities:
Accounts payable	50,580	42,060
Other current liabilities	31,608	38,646
Current portion of long-term debt	3,750	3,750
Current portion of acquisition-related contingent liabilities	806	736
Total current liabilities	86,744	85,192
Long-term debt	139,673	151,567
Long-term pension liability	13,019	12,864
Long-term acquisition-related contingent liabilities	1,612	2,245
Long-term operating lease liabilities	8,468	3,936
Other long-term liabilities	8,248	8,538
Total liabilities	257,764	264,342
Commitments and contingencies (Note 6)
Shareholders’ equity:
Preferred stock, $.001 par value - authorized 300,000 shares (none issued)	0	0
Common stock, $.001 par value - authorized 50,000,000 shares, issued and outstanding 16,498,312 and 16,376,683 shares, respectively	16	16
Additional paid-in capital	73,730	72,615
Retained earnings	121,572	122,979
Accumulated other comprehensive loss, net of tax:
Pensions	(1,072)	(1,113)
Foreign currency translation adjustment	(1,591)	(1,898)
Total shareholders’ equity	192,655	192,599
Total liabilities and shareholders’ equity	$ 450,419	$ 456,941