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Short-term Notes Payable and Long-term Debt (Details Textual) (USD $)
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6 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Jun. 30, 2012
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Dec. 31, 2011
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Jun. 30, 2012
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Jun. 30, 2012
New Facility [Member]
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Mar. 31, 2011
Revolving Credit Facility [Member]
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Jun. 30, 2012
Revolving Credit Facility [Member]
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Jun. 30, 2012
Term Loan [Member]
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Mar. 31, 2011
Term Loan [Member]
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Feb. 28, 2011
Term Loan [Member]
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Jun. 30, 2012
Term Loan Facility [Member]
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Jun. 30, 2012
New Credit Facility Agreement [Member]
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Jun. 30, 2012
Old Credit Facility Agreement [Member]
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Jun. 30, 2012
Maximum [Member]
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Jun. 30, 2012
Minimum [Member]
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| Line of Credit Facility [Line Items] | ||||||||||||||
| Date of Credit Facility Agreement | Mar. 01, 2011 | Mar. 29, 2007 | ||||||||||||
| Expire of period credit agreement | Dec. 31, 2011 | |||||||||||||
| Credit Facility Term | 3 years | |||||||||||||
| Outstanding indebtedness during first half of calendar year | $ 5,000,000 | |||||||||||||
| Outstanding indebtedness during second half of calendar year | 10,000,000 | |||||||||||||
| Revolving Credit Facility | 5,000,000 | |||||||||||||
| Fixed interest rate | 3.94% | |||||||||||||
| Termination maturity date | Mar. 01, 2014 | |||||||||||||
| Revolving Credit Facility Interest Rate Description | LIBOR plus 1.75% | LIBOR plus 1.85%. | ||||||||||||
| Line of Credit Facility Variable Interest Rate Basis | LIBOR | LIBOR | ||||||||||||
| Interest rate on credit facility | 1.75% | 1.85% | ||||||||||||
| Interest rate under the Term Loan Facility | 2.00% | 2.10% | 0.25% | |||||||||||
| Facility Fee | 25,000 | 75,000 | ||||||||||||
| Outstanding borrowings under revolving credit facility | 0 | |||||||||||||
| Revolving Credit Facility Covenants Description | Company is required to satisfy certain financial covenants, including (a) satisfying a minimum fixed charge coverage ratio test of not less than 1.1 to 1.0, which has been or will be calculated quarterly on a trailing 12-month basis beginning with the fiscal quarter ended on March 31, 2012, (b) satisfying a funded debt leverage ratio test of not greater than 2.25 to 1.00, which has been or will be calculated quarterly beginning with the fiscal quarter ended on March 31, 2012 and (c) maintaining a consolidated net worth of at least $52 million, increased annually by an amount equal to 50% of the Company’s consolidated net income subsequent to June 30, 2012. At June 30, 2012, the Company was in compliance with all of these financial covenants. | Revolving Credit Facility must be without any outstanding borrowings for at least 30 consecutive days during each period commencing on July 1 and continuing through June 30 of the following year | ||||||||||||
| Letter of credit | 5,000,000 | |||||||||||||
| Borrowed term loan facility | 30,000,000 | |||||||||||||
| Disbursed term loan facility | 15,000,000 | 15,000,000 | ||||||||||||
| Principal payments | 357,000 | |||||||||||||
| Frequency of Payment of Term Loan Installment | Monthly | |||||||||||||
| Minimum fixed charge coverage ratio | 1.0 | 1.1 | ||||||||||||
| Debt Leverage Ratio | 2.25 | 1.00 | ||||||||||||
| Net worth amount | $ 52,000,000 | $ 52,000,000 | ||||||||||||
| Net income subsequent | 50.00% | |||||||||||||
| Short-term Notes Payable and Long-term Debt (Textual) [Abstract] | ||||||||||||||
| Unused amount of credit facility | 0.25% | |||||||||||||
| Notional Principle amount outstanding | 50.00% | |||||||||||||