SUBSEQUENT EVENTS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended			0 Months Ended		0 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 AMK Technical Services	Sep. 30, 2013 AMK Technical Services	Sep. 30, 2014 AMK Technical Services	Sep. 30, 2013 AMK Technical Services	Dec. 31, 2013 AMK Technical Services	Oct. 01, 2014 Subsequent Event AMK Technical Services	Oct. 01, 2014 Subsequent Event AMK Technical Services	Oct. 23, 2014 Scenario, Forecast	Oct. 28, 2014 Facility Closing Subsequent Event	Oct. 28, 2014 Facility Closing Minimum Subsequent Event	Oct. 28, 2014 Facility Closing Maximum Subsequent Event
Subsequent Event [Line Items]
Sales price											$ 6,750
Cash consideration										4,250
Note receivable											2,500
Note receivable, term										90 days
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Net sales					1,563	1,937	4,540	5,676
Income (loss) from operations					37	270	(76)	553
Tax provision					17	14	1	80
Income (loss) from operations, net of tax	20	256	(77)	473	20	256	(77)	473
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]
Cash					167		167		19
Accounts receivable					818		818		930
Inventory					505		505		359
Prepaid expenses and other					58		58		6
Current deferred tax assets					27		27		67
Property, plant and equipment, net					4,436		4,436		4,801
Noncurrent deferred tax assets					0		0		117
Total assets					6,011		6,011		6,299
Accounts payable					148		148		101
Accrued expenses					59		59		63
Accrued employee compensation					208		208		254
Customer advances					6		6		6
Noncurrent deferred tax liabilities					300		300		402
Total liabilities					721		721		826
Acquisition of property, plant and equipment			6,472	13,426								14,000
Expected restructuring charges														3,000	5,000
Restructuring, expected annual after-tax cash savings													$ 2,000