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