Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands		Sep. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents		$ 5,452	$ 5,362
Accounts receivable, less allowance for doubtful accounts of $2,259 and $2,042, respectively		75,597	64,017
Accounts receivable - other		1,262	1,744
Inventories	[1]	66,076	67,301
Contract assets		38,030	49,236
Prepaid expenses and other current assets		16,481	9,552
Total current assets		202,898	197,212
Property, plant and equipment, net		31,725	28,769
Operating lease right-of-use assets		4,576
Intangible assets, net		63,491	66,312
Goodwill		36,252	33,961
Other assets		10,443	8,832
Total assets		349,385	335,086
Current liabilities:
Accounts payable		30,768	24,685
Other current liabilities		16,110	14,767
Current portion of long-term debt		15,286	6,000
Current portion of acquisition-related contingent liabilities		1,374	941
Total current liabilities		63,538	46,393
Long-term debt		103,812	111,522
Long-term pension liability		8,422	8,705
Long-term acquisition-related contingent liabilities		3,753	5,422
Long-term operating lease liabilities		2,590
Deferred tax liability		6,620	8,475
Other long-term liabilities		4,230	3,648
Commitments and contingencies (Note 5)
Shareholders' equity:
Preferred stock, $.001 par value - authorized 300,000 shares (none issued)
Common stock, $.001 par value - authorized 50,000,000 shares, issued and outstanding 15,240,317 and 15,202,387 shares, respectively.		15	15
Additional paid-in capital		57,077	55,859
Retained earnings		106,426	103,032
Accumulated other comprehensive income (loss), net of tax:
Pensions		(6,475)	(7,673)
Cash flow hedges		97	113
Foreign currency translation adjustment		(720)	(425)
Total shareholders’ equity		156,420	150,921
Total liabilities and shareholders’ equity		349,385	335,086
Finished goods		57,413	58,196
Work in process		730	650
Raw materials		7,933	8,455
Inventories	[1]	$ 66,076	$ 67,301

[1] Inventories consist of the following: September 30, 2019 December 31, 2018 Finished goods $57,413 $58,196 Work in process $730 $650 Raw materials $7,933 $8,455 Total inventories $66,076 $67,301