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Commitments, Contingencies and Other (Details) (USD $) | 12 Months Ended | 48 Months Ended | 60 Months Ended | 72 Months Ended |  |  |  |  | 7 Months Ended |  |  |  |  | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2012 | Dec. 31, 2016 | Dec. 31, 2023 | Jul. 03, 2012 | Feb. 08, 2012 | Jun. 25, 2007 | Dec. 31, 2012 July 19, 2011 litigation [Member] | Jun. 30, 2012 US Customs action [Member] | Dec. 31, 2012 US Customs action [Member] | Sep. 30, 2010 US Customs action [Member] | Dec. 31, 2009 US Customs action [Member] | Sep. 30, 2007 US Customs action [Member] | Dec. 31, 2012 Geographic Concentration Risk [Member] | Dec. 31, 2011 Geographic Concentration Risk [Member] | Dec. 31, 2010 Geographic Concentration Risk [Member] | Dec. 31, 2012 Supplier Concentration Risk [Member] | Dec. 31, 2011 Supplier Concentration Risk [Member] | Dec. 31, 2010 Supplier Concentration Risk [Member] | Dec. 31, 2010 Supplier Concentration Risk A [Member] | Dec. 31, 2012 Customer Concentration Risk [Member] | Dec. 31, 2011 Customer Concentration Risk [Member] | Dec. 31, 2010 Customer Concentration Risk A [Member] | Dec. 31, 2010 Customer Concentration Risk B [Member] | Dec. 31, 2010 Customer Concentration Risk C [Member] | Dec. 31, 2010 Customer Concentration Risk D [Member]
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Costs and Expenses, Related Party |  |  |  |  | $ 1,447 | $ 1,552 | $ 1,006 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross fund amount of settlement |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Estimate of Possible Loss |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,500,000 |  |  |  |  | 1,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated Litigation Liability |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Range of Possible Loss, Maximum |  |  |  |  | 6,250,000 |  |  | 6,250,000 |  |  |  |  |  |  |  | 1,700,000 |  | 3,045,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percent of litigation covered by insurance of initial settlement |  |  |  |  |  |  |  |  |  |  |  |  |  | 45.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Insurance Settlements Receivable |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percent of insurance reovery beyond innitial settlement |  |  |  |  |  |  |  |  |  |  |  |  |  | 30.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Accrual, at Carrying Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,248,000 | 1,248,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments for Other Taxes |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 342,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Tax Penalties From Examination |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,367,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Future Employee Compensation | 10,698 | 11,917 | 9,667 | 7,417 | 5,417 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other General Expense |  |  |  |  |  |  |  |  | 200 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ShareBasedCompensation Arrangement With Employee Shares Issued (in Shares) |  |  |  |  |  |  |  |  |  |  | 1,262,228 | 975,371 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement With Employee Fair Value Of Shares Issued |  |  |  |  | 40,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |  |  |  |  |  |  |  | 5 years |  | 7 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Compensation Arrangement With Employee Pursuant To Election To Receive Additional Shares | 7,026 | 8,250 | 6,125 | 4,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Life Insurance, Corporate or Bank Owned, Amount |  |  |  |  | 200 |  |  | 200 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note receivable – related party |  |  |  |  | 3,581,000 | 4,090,000 |  | 3,581,000 |  |  |  |  | 3,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
RateOfDebtInstrumentDecreaseForgiveness |  |  |  |  | 1/10th |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Period Of Debt Instrument Forgiveness |  |  |  |  | ten-year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Letters of Credit Outstanding, Amount |  |  |  |  | $ 1,072,000 |  |  | $ 1,072,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Concentration Risk, Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 88.00% | 90.00% | 89.00% | 10.00% | 10.00% | 13.00% | 12.00% | 10.00% | 10.00% | 10.00% | 12.00% | 12.00% | 11.00%

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