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Short-term and Long-term Obligations - Bank of America (Details) - Bank of America | 1 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2015 USD ($) | Mar. 31, 2016 USD ($) building
Minimum |  |
Short-term Debt [Line Items] |  |
Interest rate (as a percent) | 0.79% | 1.00%
Maximum |  |
Short-term Debt [Line Items] |  |
Interest rate (as a percent) | 1.68% | 1.94%
Line of Credit | Revolving Credit Facility |  |
Short-term Debt [Line Items] |  |
Credit facility, maximum borrowing capacity | $ 65,000,000 |
Line of credit, total outstanding balance | $ 59,699,000 | $ 62,199,000
Credit facility, remaining borrowing capacity |  | $ 2,801,000
Line of Credit | Revolving Credit Facility | LIBOR |  |
Short-term Debt [Line Items] |  |
Credit facility, basis spread on variable rate (as a percent) |  | 1.25%
LIBOR rate (as a percent) |  | 0.44%
Term Loan |  |
Short-term Debt [Line Items] |  |
Credit facility, term | 5 years |
Term loan, face amount | $ 14,000,000 |
Number of buildings as collateral | building |  | 3
Debt, total outstanding borrowings | $ 3,733,000 | $ 1,633,000
Term Loan | LIBOR |  |
Short-term Debt [Line Items] |  |
Credit facility, basis spread on variable rate (as a percent) | 1.50% |

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