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Long Term Obligations - Additional Information (Detail) (USD $) | 12 Months Ended |  |  | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Mar. 06, 2014 Subsequent Event | Dec. 31, 2013 Prime Rate | Dec. 31, 2013 Libor Rate
Schedule of Capitalization, Long-term Debt [Line Items] |  |  |  |  |
Debt instrument description | The secured notes payable to bank evidence borrowings under a revolving credit facility which permits us to borrow up to the lesser of (i) $25,000,000, or (ii) an amount equal to 85% of the value of our eligible accounts receivable and up to 55% of the value of our eligible inventory. |  |  |  |
Debt instrument covenant compliance | As of December 31, 2013, we were in compliance with all of our financial and other covenants under our line of credit agreement. |  |  |  |
Line of credit borrowing capacity | $ 25,000,000 |  |  |  |
Percentage of eligible accounts receivable permitted to borrow under the line of credit | 85.00% |  |  |  |
Percentage of eligible inventory permitted to borrow under the line of credit | 55.00% |  |  |  |
Borrowing base of the company | 13,800,000 | 16,800,000 |  |  |
Interest rate payable |  |  |  | 3.25% | 0.165%
Additional rate of interest |  |  |  | 1.75% | 3.25%
Credit facility maturity date | Jul. 10, 2017 |  |  |  |
Outstanding borrowings under revolving credit facility |  |  | $ 14,905,000 |  |

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- Definition Interest Rate On Notes Payable To Bank + References No definition available. + Details
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- Definition Line Of Credit Facility Borrowing Base + References No definition available. + Details
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- Definition Line of Credit Facility Borrowing Base Percentage of Accounts Receivable + References No definition available. + Details
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- Definition Line of Credit Facility Borrowing Base Percentage of Eligible Inventory + References No definition available. + Details
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- Definition States whether the entity was in compliance with the debt covenants throughout the reporting period, and describes facts and circumstances of any compliance failure. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 + Details
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- Definition Identification of the lender and information about a contractual promise to repay a short-term or long-term obligation, which includes borrowings under lines of credit, notes payable, commercial paper, bonds payable, debentures, and other contractual obligations for payment. This may include rationale for entering into the arrangement, significant terms of the arrangement, which may include amount, repayment terms, priority, collateral required, debt covenants, borrowing capacity, call features, participation rights, conversion provisions, sinking-fund requirements, voting rights, basis for conversion if convertible and remarketing provisions. The description may be provided for individual debt instruments, rational groupings of debt instruments, or by debt in total. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823 + Details
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- Definition Amount borrowed under the credit facility as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition Date the credit facility terminates, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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