Annual report pursuant to Section 13 and 15(d)

Long-Term Debt (Narrative) (Details)

Long-Term Debt (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	0 Months Ended							12 Months Ended									12 Months Ended			12 Months Ended				12 Months Ended				12 Months Ended
	May 28, 2010	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Revolving Credit Facility [Member]	Dec. 31, 2012 Revolving Credit Facility [Member]	Dec. 31, 2013 Foreign Line of Credit [Member]	Dec. 31, 2012 Foreign Line of Credit [Member]	Dec. 31, 2013 Zions First National Bank [Member]	Dec. 31, 2013 Foreign Financial Institutions [Member]	Dec. 31, 2012 Foreign Financial Institutions [Member]	Dec. 31, 2013 Gregory Stockholders [Member]	Dec. 31, 2012 Gregory Stockholders [Member]	Dec. 31, 2013 Government Entity And Other Financial Institutions [Member]	Dec. 31, 2013 Loan Agreement [Member]	Dec. 31, 2013 Loan Agreement [Member] Term Facility [Member]	Mar. 08, 2013 Loan Agreement [Member] Term Facility [Member]	Dec. 31, 2013 Securitized Receivables Facilities [Member]	Dec. 31, 2012 Securitized Receivables Facilities [Member]	Dec. 31, 2013 Additional Subordinated Debt [Member] Gregory Stockholders [Member]	Dec. 31, 2013 Capital Lease Obligations [Member]	Dec. 31, 2013 Assets Held under Capital Leases [Member]	Dec. 31, 2012 Assets Held under Capital Leases [Member]	Dec. 31, 2013 Minimum [Member] Foreign Financial Institutions [Member]	Dec. 31, 2013 Minimum [Member] Government Entity And Other Financial Institutions [Member]	Dec. 31, 2013 Minimum [Member] Loan Agreement [Member]	Dec. 31, 2013 Minimum [Member] Capital Lease Obligations [Member]	Dec. 31, 2013 Maximum [Member] Foreign Financial Institutions [Member]	Dec. 31, 2013 Maximum [Member] Government Entity And Other Financial Institutions [Member]	Dec. 31, 2013 Maximum [Member] Loan Agreement [Member]	Dec. 31, 2013 Maximum [Member] Capital Lease Obligations [Member]	Feb. 28, 2014 Subsequent Event [Member] Amended And Restated Term Loan Promissory Note [Member] Term Facility [Member]	Feb. 28, 2014 Subsequent Event [Member] Terminated Acquisition Facility Agreement [Member]
Line Of Credit Facility And Long Term Debt [Line Items]
5% Unsecured Subordinated Notes		$ 17,154	$ 15,992								$ 22,056								$ 554
Subordinated debt interest rate	5.00%										5.00%
Discounted subordinated notes											13,127								316
Accretion of discount											1,162	1,012
Term note		9,523	382
Unamortized discount		5,457
Monthly payments																								0		1		3		4
Line of credit facility, amount outstanding				10,320	20,000	997	3,995	10,320	340	1,488						10,000	683	2,569
Credit facility maximum borrowing capacity								30,000	1,956	2,593				30,000	15,000																10,000	10,000
Credit facility current borrowing capacity																15,000	2,314	4,947
Credit facility remaining borrowing capacity																5,000
Capacity for funding permanent working capital														10,000
Credit facility expiration date									Dec. 31, 2014
Amortization period															10 years
Debt to EBITDA ratio used in margin calculation														2.75%
Basis spread on variable rate																									2.75%				3.75%
Unused commitment fee percentage																									0.40%				0.60%
Drawing on credit facility									314	1,426
Variable interest rate																	3.56%						2.75%				3.30%
Securitized accounts receivable																	683	2,569
Liabilities related to securitized assets																	683	2,569
Interest rate range, minimum													0.75%							6.10%
Interest rate range, maximum													5.50%							7.00%
Maturity date range start																				Apr. 01, 2014				Jan. 01, 2016
Maturity date range start																				Nov. 01, 2016								Mar. 01, 2017
Debt maturity date								Mar. 08, 2016									Dec. 31, 2014
Machinery and Equipment, Gross		13,868	11,718																		228	268
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment		$ 16,987	$ 12,382																		$ 98	$ 87