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Subsequent Events - Credit Facility (Details) - USD ($) |  |  | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jul. 08, 2015 | Aug. 01, 2014 | Jun. 30, 2015 | Dec. 17, 2012 | May. 30, 2008
Revolving Credit Facility |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  |  | $ 30,000,000 | $ 35,000,000
Federal Funds Effective Swap Rate | Working Capital Line | Revolving Credit Facility |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Basis spread on variable rate |  |  | 0.50% |  |
Federal Funds Effective Swap Rate | Acquisition Line | Revolving Credit Facility |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Basis spread on variable rate |  |  | 0.50% |  |
Reference Eurodollar | Working Capital Line | Revolving Credit Facility |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Basis spread on variable rate |  |  | 1.00% |  |
Reference Eurodollar | Acquisition Line | Revolving Credit Facility |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Basis spread on variable rate |  |  | 1.00% |  |
Base Rate | Working Capital Line | Revolving Credit Facility |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Basis spread on variable rate |  |  | 2.00% |  |
Base Rate | Acquisition Line | Revolving Credit Facility |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Basis spread on variable rate |  |  | 2.75% |  |
Eurodollar | Working Capital Line | Revolving Credit Facility |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Basis spread on variable rate |  |  | 3.00% |  |
Eurodollar | Acquisition Line | Revolving Credit Facility |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Basis spread on variable rate |  |  | 3.75% |  |
Cost of Funds Rate | Working Capital Line | Revolving Credit Facility |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Basis spread on variable rate |  |  | 2.50% |  |
Minimum | Senior Secured Revolving Credit Facility | Revolving Credit Facility |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Commitment fee percentage |  | 0.375% |  |  |
Minimum | Base Rate | Senior Secured Revolving Credit Facility | Revolving Credit Facility |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Basis spread on variable rate |  | 1.75% |  |  |
Minimum | Eurodollar | Senior Secured Revolving Credit Facility | Revolving Credit Facility |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Basis spread on variable rate |  | 2.75% |  |  |
Minimum | Cost of Funds Rate | Senior Secured Revolving Credit Facility | Revolving Credit Facility |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Basis spread on variable rate |  | 2.25% |  |  |
Maximum | Senior Secured Revolving Credit Facility | Revolving Credit Facility |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Commitment fee percentage |  | 0.50% |  |  |
Maximum | Base Rate | Senior Secured Revolving Credit Facility | Revolving Credit Facility |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Basis spread on variable rate |  | 2.00% |  |  |
Maximum | Eurodollar | Senior Secured Revolving Credit Facility | Revolving Credit Facility |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Basis spread on variable rate |  | 3.00% |  |  |
Maximum | Cost of Funds Rate | Senior Secured Revolving Credit Facility | Revolving Credit Facility |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Basis spread on variable rate |  | 2.50% |  |  |
Subsequent Event | Senior Secured Revolving Credit Facility |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Debt Instrument, Extension Past Maturity, Term | 1 year |  |  |  |
Capitalized deferred financing costs | $ 800,000 |  |  |  |
Debt issuance expense | 100,000 |  |  |  |
Line of credit facility, minimum borrowing capacity | 5,000,000 |  |  |  |
Minimum adjusted tangible net worth, greater than | $ 18,000,000.0 |  |  |  |
Minimum fixed charge coverage ratio | 110.00% |  |  |  |
Minimum fixed charge coverage ratio, quarterly increase to numerator | 5.00% |  |  |  |
Maximum total leverage ratio | 250.00% |  |  |  |
Change in control ownership percentage maximum | 40.00% |  |  |  |
Material judgements | $ 5,000,000 |  |  |  |
Subsequent Event | Working Capital Line | Revolving Credit Facility |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 60,000,000.0 |  |  |  |
Nonutilization fee | 0.50% |  |  |  |
Reduction to interest rate if facility utilization is less than fifty percent | 0.25% |  |  |  |
Commitment fee percentage | 0.375% |  |  |  |
Minimum net working capital, initial working capital requirement | $ 2,000,000.0 |  |  |  |
Minimum net working capital, gradual increase requirement | $ 5,000,000.0 |  |  |  |
Minimum net working capital, elected availability under the Working Capital Line percentage | 15.00% |  |  |  |
Minimum adjusted tangible net worth, aggregate commitments under Working Capital Line percentage | 20.00% |  |  |  |
Subsequent Event | Acquisition Line | Revolving Credit Facility |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 25,000,000.0 |  |  |  |
Financing of acquisition transaction maximum percentage | 75.00% |  |  |  |
Annual payment percentage | 25.00% |  |  |  |
Payment at maturity percentage | 50.00% |  |  |  |
Proceeds from line of credit | $ 6,200,000 |  |  |  |
Nonutilization fee | 0.50% |  |  |  |
Minimum adjusted tangible net worth, borrowings under the Acquisition Line percentage | 33.00% |  |  |  |
Subsequent Event | Minimum | Working Capital Line | Revolving Credit Facility |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 30,000,000.0 |  |  |  |
Borrowing base percentage | 80.00% |  |  |  |
Subsequent Event | Maximum | Working Capital Line | Revolving Credit Facility |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 60,000,000.0 |  |  |  |
Borrowing base percentage | 90.00% |  |  |  |

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