Discountinued Operations and Assets Held For Sale - Reconciliation of Major Classes of Assets Incluted Held for Sale Balance Sheet (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Discountinued Operations And Assets Held For Sale - Reconciliation Of Major Classes Of Assets Incluted Held For Sale Balance Sheet Details
Cash and cash equivalents	$ 1,396	$ 2,109
Accounts receivable, net of allowances for doubtful accounts of $99 at March 31, 2015 and $109 at December 31, 2014	4,629	5,772
Inventories, net	6,505	6,039
Deferred income taxes	16	30
Prepaid and other current assets	964	777
Total current assets in operations held for sale as discontinued operations	13,510	14,727
Property, plant and equipment, net	4,050	4,385
Goodwill	4,744	4,980
Intangible assets other than goodwill, net	349	367
Deferred tax assets	39	25
Other assets	125	96
Total assets of the disposal group held for sale in the balance sheet	22,817	24,580
Accounts payable	2,214	3,549
Accrued expenses	5,250	4,189
Lines of credit	135	709
Current portion of long-term debt	743	776
Income taxes payable	370	241
Other current liabilities
Total current liabilities held for sale included as part of discontinued operations	8,712	9,464
Long-term debt	3,058	3,423
Deferred income taxes	28
Other liabilities	509	577
Total liabilities of the disposal group classified as held for sale in the balance sheet	$ 12,307	$ 13,464