Discontunued Operations (Details) (USD $)	0 Months Ended	3 Months Ended		9 Months Ended
	Feb. 14, 2014	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from Divestiture of Businesses	$ 13,000,000
Net sales of ASMP		0	4,653,000	2,462,000	14,202,000
Discontinued Operation, Tax Effect of Discontinued Operation		0	(316,000)	(133,000)	(904,000)
Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, Net of Tax		0	418,000	213,000	1,187,000
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax		0	0	1,877,000	0
Discontinued Operation, Tax Effect of Income (Loss) from Disposal of Discontinued Operation		0	0	(723,000)	0
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax		0	0	1,154,000	0
Discontinued Operation, Amount of Other Income (Loss) from Disposition of Discontinued Operation, Net of Tax		0	418,000	1,367,000	1,187,000
Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share		$ 0.00	$ 0.05	$ 0.15	$ 0.14
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax		0	734,000	346,000	2,091,000
ASMP
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax		0	734,000	346,000	2,124,000
Other discontinued operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share		$ 0.00	$ 0.00	$ 0.00	$ 0.00
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax		$ 0	$ 0	$ 0	$ (33,000)