Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 10,305	$ 8,935
Accounts receivable, less allowance for doubtful accounts of $7,248 and $6,393, respectively	110,375	107,053
Accounts receivable - other	4,217	5,546
Inventories	127,036	120,555
Contract assets	46,088	38,018
Prepaid expenses and other current assets	20,367	19,162
Total current assets	318,388	299,269
Property, plant and equipment, net	52,970	49,690
Operating lease right-of-use assets	9,513	8,246
Deferred tax asset	1,440	0
Intangible assets, net	58,429	60,420
Goodwill	21,587	39,434
Other assets	11,353	13,186
Total assets	473,680	470,245
Current liabilities:
Accounts payable	48,569	52,340
Other current liabilities	40,630	38,989
Current portion of long-term debt	15,286	15,286
Current portion of acquisition-related contingent liabilities	1,304	4,507
Total current liabilities	105,789	111,122
Long-term debt	133,407	100,845
Long-term pension liability	15,679	15,420
Long-term acquisition-related contingent liabilities	2,754	2,569
Long-term operating lease liabilities	4,495	3,729
Deferred tax liability	0	359
Other long-term liabilities	8,411	9,211
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 16,318,059 and 16,127,505 shares, respectively	16	16
Additional paid-in capital	70,629	69,351
Retained earnings	137,986	163,836
Accumulated other comprehensive income (loss), net of tax:
Pensions	(3,939)	(4,577)
Cash flow hedges	37	47
Foreign currency translation adjustment	(1,584)	(1,683)
Total shareholders’ equity	203,145	226,990
Total liabilities and shareholders’ equity	$ 473,680	$ 470,245