Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 5,651	$ 9,038
Accounts receivable, less allowance for doubtful accounts of $7,922 and $2,964, respectively	85,297	79,746
Accounts receivable - other	2,204	1,083
Inventories	80,221	73,379
Contract assets	35,484	38,533
Prepaid expenses and other current assets	13,094	9,934
Total current assets	221,951	211,713
Property, plant and equipment, net	35,421	32,825
Operating lease right-of-use assets	4,143	5,445
Intangible assets, net	59,696	62,536
Goodwill	36,055	36,292
Other assets	9,972	10,122
Total assets	367,238	358,933
Current liabilities:
Accounts payable	30,512	33,271
Other current liabilities	49,890	18,894
Current portion of long-term debt	15,286	15,286
Current portion of acquisition-related contingent liabilities	4,307	1,905
Total current liabilities	99,995	69,356
Long-term debt	61,511	104,003
Long-term pension liability	9,771	10,253
Long-term acquisition-related contingent liabilities	1,815	3,423
Long-term operating lease liabilities	1,724	2,380
Deferred tax liability	3,260	7,042
Other long-term liabilities	5,581	4,922
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 15,340,949 and 15,227,604 shares, respectively.	15	15
Additional paid-in capital	60,618	57,442
Retained earnings	130,968	107,581
Accumulated other comprehensive income (loss), net of tax:
Pensions	(6,198)	(7,224)
Cash flow hedges	75	91
Foreign currency translation adjustment	(1,897)	(351)
Total shareholders’ equity	183,581	157,554
Total liabilities and shareholders’ equity	$ 367,238	$ 358,933