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Long-Term Debt and Note Payable - Summary of Long-Term Debt (Parenthetical) (Detail) (USD $)
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12 Months Ended |
|---|---|
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Dec. 31, 2013
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Series 2007 Industrial Revenue Bonds [Member]
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| Debt Instrument [Line Items] | |
| New York Industrial Development Agency payable | $ 340,000 |
| New York Industrial Development Agency payable thereafter | 330,000 |
| Interest rate | 3.20% |
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Series 1999 Industrial Revenue Bonds [Member]
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| Debt Instrument [Line Items] | |
| New York Industrial Development Agency payable | 350,000 |
| New York Industrial Development Agency payable thereafter | 145,000 |
| Interest rate | 3.20% |
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Series 1998 Industrial Revenue Bonds [Member]
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| Debt Instrument [Line Items] | |
| New York Industrial Development Agency payable | 400,000 |
| Interest rate | 3.20% |
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Senior Term Note issued under the Third Amended and Restated Credit Agreement [Member]
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| Debt Instrument [Line Items] | |
| Interest rate on revolving credit at LIBOR rate | 3.20% |
| Mandatory unscheduled prepayments | 25.00% |
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Senior Term Note issued under the Third Amended and Restated Credit Agreement [Member] | July 18, 2013 to June 30, 2015 [Member]
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| Debt Instrument [Line Items] | |
| Senior Term Notes, payable | 2,375,000 |
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Senior Term Note issued under the Third Amended and Restated Credit Agreement [Member] | June 30, 2015 to June 30, 2016 [Member]
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| Debt Instrument [Line Items] | |
| Senior Term Notes, payable | 3,562,000 |
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Senior Term Note issued under the Third Amended and Restated Credit Agreement [Member] | June 30, 2016 to March 31, 2018 [Member]
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| Debt Instrument [Line Items] | |
| Senior Term Notes, payable | 4,750,000 |
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Senior Notes [Member]
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| Debt Instrument [Line Items] | |
| Senior Term Notes, payable | 2,000,000 |
| Balloon payment in 2014 | $ 5,000,000 |
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Minimum [Member] | Senior Term Note issued under the Third Amended and Restated Credit Agreement [Member]
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| Debt Instrument [Line Items] | |
| Interest rate on revolving credit at LIBOR rate | 2.25% |
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Minimum [Member] | Senior Notes [Member]
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| Debt Instrument [Line Items] | |
| Interest rate on revolving credit at LIBOR rate | 2.25% |
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Maximum [Member] | Senior Term Note issued under the Third Amended and Restated Credit Agreement [Member]
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| Debt Instrument [Line Items] | |
| Interest rate on revolving credit at LIBOR rate | 3.50% |
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Maximum [Member] | Senior Notes [Member]
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| Debt Instrument [Line Items] | |
| Interest rate on revolving credit at LIBOR rate | 3.50% |
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Revolving Credit Facility [Member]
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| Debt Instrument [Line Items] | |
| Line of Credit Maturity | Aug. 31, 2016 |
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Revolving Credit Facility [Member] | Minimum [Member]
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| Debt Instrument [Line Items] | |
| Interest rate on revolving credit at LIBOR rate | 1.50% |
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Revolving Credit Facility [Member] | Maximum [Member]
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| Debt Instrument [Line Items] | |
| Interest rate on revolving credit at LIBOR rate | 2.50% |
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Credit Agreement [Member]
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| Debt Instrument [Line Items] | |
| Restated credit agreement date | Jul. 18, 2013 |