Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands		Jun. 30, 2019	Dec. 31, 2018
CURRENT ASSETS:
Cash and cash equivalents		$ 8,267	$ 5,362
Accounts receivable, less allowance for doubtful accounts of $2,141 and $2,042, respectively		70,927	64,017
Accounts receivable - other		1,463	1,744
Inventories	[1]	63,370	67,301
Contract assets		43,674	49,236
Prepaid expenses and other current assets		12,090	9,552
TOTAL CURRENT ASSETS		199,791	197,212
PROPERTY, PLANT AND EQUIPMENT, NET		31,448	28,769
OPERATING LEASE RIGHT-OF-USE ASSETS		4,716
INTANGIBLE ASSETS, NET		64,437	66,312
GOODWILL		36,321	33,961
OTHER ASSETS		10,299	8,832
TOTAL ASSETS		347,012	335,086
CURRENT LIABILITIES:
Accounts payable		25,903	24,685
Other current liabilities		15,375	14,767
Current portion of long-term debt		15,286	6,000
Current portion of acquisition-related contingent liabilities		2,212	941
TOTAL CURRENT LIABILITIES		58,776	46,393
LONG-TERM DEBT		108,035	111,522
LONG-TERM PENSION LIABILITY		8,532	8,705
LONG-TERM ACQUISITION-RELATED CONTINGENT LIABILITIES		3,605	5,422
LONG-TERM OPERATING LEASE LIABILITIES		2,864
DEFERRED TAX LIABILITY		6,730	8,475
OTHER LONG-TERM LIABILITIES		4,350	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 - 15,255,694 and 15,202,387, respectively.		15	15
Additional paid-in capital		57,166	55,859
Retained earnings		104,165	103,032
Accumulated other comprehensive income (loss), net of tax:
Pensions		(6,924)	(7,673)
Cash flow hedges		102	113
Foreign currency translation adjustment		(404)	(425)
TOTAL SHAREHOLDERS' EQUITY		154,120	150,921
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY		$ 347,012	$ 335,086

[1] Inventories consist of the following: June 30, 2019 December 31, 2018 Finished goods $53,202 $58,196 Work in process $703 $650 Raw materials $9,465 $8,455 Total inventories $63,370 $67,301