Short-Term Borrowings (Details) (USD $)	3 Months Ended			5 Months Ended	9 Months Ended	18 Months Ended	19 Months Ended						9 Months Ended	12 Months Ended				12 Months Ended					0 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Feb. 15, 2015	Dec. 31, 2014	Dec. 31, 2014	Jul. 26, 2016	Nov. 01, 2013	Dec. 31, 2012	Dec. 31, 2013 United States Accounts Receivable Balance [Member] Line of Credit [Member] 2014 Debt Agreement [Member]	Dec. 31, 2013 Foreign Accounts Receivable Balance [Member] Line of Credit [Member] 2014 Debt Agreement [Member]	Dec. 31, 2013 Certain Cases [Member]	Sep. 30, 2013 Maximum [Member]	Dec. 31, 2013 Maximum [Member]	Dec. 31, 2013 Maximum [Member] Line of Credit [Member] 2014 Debt Agreement [Member]	Dec. 31, 2013 Minimum [Member]	Dec. 31, 2013 Line of Credit [Member]	Dec. 31, 2013 EBITDA Ratio Less than 2.0 [Member]	Dec. 31, 2013 EBITDA Ratio Less than 3.0 and Greater Than or Equal to 2.0 [Member]	Dec. 31, 2013 EBITDA Ratio Greater than 3.0 [Member]	Dec. 31, 2013 Non-Quarter End Months [Member]	Dec. 31, 2013 Quarter End Months [Member]	Mar. 14, 2014 Subsequent Event [Member] Line of Credit [Member] 2014 Debt Agreement [Member]	Mar. 14, 2014 Subsequent Event [Member] Maximum [Member] Line of Credit [Member] 2014 Debt Agreement [Member] Prime Rate [Member]	Mar. 14, 2014 Subsequent Event [Member] Minimum [Member] Line of Credit [Member] 2014 Debt Agreement [Member] Prime Rate [Member]	Mar. 14, 2014 Subsequent Event [Member] Letter of Credit [Member] Line of Credit [Member] 2014 Debt Agreement [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		$ 35,000,000
Line of Credit Facility, Current Borrowing Capacity		35,000,000						40,000,000									0						25,000,000			1,000,000
Line of Credit Facility, Borrowing Formula, Eligible Accounts Receivable										80.00%	65.00%	70.00%
Line of Credit Facility, Borrowing Formula, Eligible Accounts Receivable past due															60 days
Line of Credit Facility, Borrowing Formula, Eligible Accounts Receivable, Days from Invoice Date														120 days
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage														15,000,000		10,000,000
Line Credit Facility, Available Capacity Measurement, Two Rolling Quarter EBITDA														9,000,000		6,000,000
Line of Credit Facility, Borrowing Capacity Calculation, EBITDA Ratio														3.0		2.0
Line of Credit Facility, Variable Interest Rate, Base Percent		0.18%
Debt Instrument, Basis Spread on Variable Rate																		2.00%	2.25%	2.50%				2.25%	0.75%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage														0.50%		0.375%
Line of Credit Facility, Covenant Terms, Liquidity Ratio																					1.25	1.5
Line of Credit Facility, Covenant Terms, Liquidity Ratio, Allowable Subsidiary Cash Balance														10,000,000
Line of Credit Facility, Minimum Cash Balance				18,000,000
Line of Credit Facility, Covenant Terms, Restructuring Charges						12,000,000
Line of Credit Facility, Minimum Two Quarter Rolling EBITDA	2,000,000	(4,000,000)	2,000,000		6,000,000		9,000,000
Line of Credit Facility, Covenant Terms, 2012 Capital Expenditures													11,000,000
Line of Credit Facility, Covenant Terms, 2013 and Beyond Capital Ependitures													8,000,000
Line of credit		15,000,000							0
Line of Credit Facility, Remaining Borrowing Capacity		7,900,000
Line of Credit, Liquidity Threshold																							15,000,000
Line of Credit, Liquidity Threshold, Last Month of Quarter																							20,000,000
Line of Credit, Modification Fee																							35,000
Debt Instrument, Average Monthly Interest Expense																							10,000,000
Line of Credit Facility, Cancellation Fee Percentage																							1.50%
Line of Credit Facility, Debt Covenant, Liquidity																							$ 10,000,000