CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Income Statement [Abstract]
NET SALES	$ 39,508	$ 51,886	$ 125,068	$ 150,566
COST OF PRODUCTS SOLD	29,219	36,803	91,491	104,871
Gross profit	10,289	15,083	33,577	45,695
COSTS AND EXPENSES:
General and administrative expenses	5,071	5,463	16,670	17,027
Selling and distribution expenses	4,867	4,639	14,703	13,596
Amortization of purchased intangible assets	1,007	1,575	3,037	4,808
Restructuring expenses	285	0	3,397	0
Total costs and expenses	11,230	11,677	37,807	35,431
INCOME (LOSS) FROM OPERATIONS	(941)	3,406	(4,230)	10,264
OTHER INCOME (EXPENSE):
Other income (expense), net	(1,463)	472	(299)	369
Interest expense	(255)	(137)	(700)	(420)
Interest income	0	1	4	6
INCOME (LOSS) BEFORE INCOME TAXES AND DISCONTINUED OPERATIONS	(2,659)	3,742	(5,225)	10,219
INCOME TAX PROVISION	1,574	1,420	2,704	4,000
INCOME (LOSS) FROM CONTINUING OPERATIONS	(4,233)	2,322	(7,929)	6,219
DISCONTINUED OPERATIONS:
Income (loss) from operations of discontinued operations, net of tax	0	20	0	(77)
NET INCOME (LOSS)	$ (4,233)	$ 2,342	$ (7,929)	$ 6,142
INCOME (LOSS) PER SHARE - BASIC:
Continuing operations (in dollars per share)	$ (0.30)	$ 0.17	$ (0.57)	$ 0.45
Discontinued operations (in dollars per share)	0.00	0.00	0.00	(0.01)
Net income (loss) (in dollars per share)	(0.30)	0.17	(0.57)	0.44
INCOME (LOSS) PER SHARE - DILUTED:
Continuing operations (in dollars per share)	(0.30)	0.17	(0.57)	0.45
Discontinued operations (in dollars per share)	0.00	0.00	0.00	(0.01)
Net income (loss) (in dollars per share)	$ (0.30)	$ 0.17	$ (0.57)	$ 0.44
WEIGHTED AVERAGE NUMBER OF SHARES OUTSTANDING:
Basic (in shares)	13,932,033	13,688,649	13,916,236	13,676,730
Diluted (in shares)	13,932,033	13,690,174	13,916,236	13,681,790
DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	$ 0.04	$ 0.04	$ 0.12	$ 0.12