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Long-Term Debt - Narrative (Details) | 12 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2018 USD ($) | May 04, 2018 USD ($) | Mar. 30, 2016 USD ($)
March 2016 Term Loan | Secured Debt |  |  |
Line of Credit Facility [Line Items] |  |  |
Maximum borrowing capacity |  |  | $ 10,000,000
Frequency of periodic payment | quarterly |  |
Periodic principal payment | $ 500,000 |  |
Fixed interest rate |  | 5.68% | 4.93%
Fixed charge coverage ratio |  | 1.25 | 1.50
Minimum working capital |  | $ 8,000,000 | $ 5,000,000
Total liabilities to tangible net worth ratio |  | 3.00 |
March 2016 Revolving Loan | Revolving Credit Facility |  |  |
Line of Credit Facility [Line Items] |  |  |
Maximum borrowing capacity |  |  | $ 2,000,000

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