Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 22,040	$ 19,896
Accounts receivable, less allowance for doubtful accounts of $4,213 and $4,237, respectively	93,737	103,494
Accounts receivable - other	119	307
Inventories	92,573	98,067
Contract assets	52,511	48,715
Prepaid expenses and other current assets	6,549	8,881
Total current assets	267,529	279,360
Property, plant and equipment, net	45,319	46,890
Operating lease right-of-use assets	17,484	17,909
Deferred tax asset	12,349	12,356
Intangible assets, net	50,150	51,160
Other assets	15,650	14,775
Total assets	408,481	422,450
Current liabilities:
Accounts payable	41,653	50,520
Other current liabilities	40,414	43,978
Current portion of long-term debt	5,156	4,688
Current portion of acquisition-related contingent liabilities	942	1,403
Total current liabilities	88,165	100,589
Long-term debt	84,445	88,789
Long-term pension liability	13,361	13,284
Long-term acquisition-related contingent liabilities	612	557
Long-term operating lease liabilities	12,513	12,809
Other long-term liabilities	8,564	8,784
Total liabilities	207,660	224,812
Commitments and contingencies (Note 5)
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 16,743,723 and 16,564,712 shares, respectively	16	16
Additional paid-in capital	79,602	77,443
Retained earnings	123,946	122,464
Accumulated other comprehensive loss, net of tax:
Pensions	(1,099)	(1,122)
Foreign currency translation adjustment	(1,644)	(1,163)
Total shareholders’ equity	200,821	197,638
Total liabilities and shareholders’ equity	$ 408,481	$ 422,450