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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Summary of Significant Accounting Policies - Narrative (Details) shares in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2019 USD ($) shares	Mar. 31, 2018 USD ($) shares	Mar. 31, 2019 USD ($) Segment shares	Mar. 31, 2018 USD ($) shares	Jun. 30, 2018 USD ($)
Concentration Risk [Line Items]
Foreign currency transaction losses realized	$ 44,000	$ (100,000)	$ 100,000	$ (100,000)
Derivative instruments, realized loss	100,000	100,000	200,000	200,000
Bad debt expenses	0	0	0	0
Inventory valuation reserves	500,000		500,000		$ 1,400,000
Convertible notes receivable, aggregate amount	2,000,000		$ 2,000,000
Convertible notes receivable, interest rate			8.00%
Notes receivable	$ 2,100,000		$ 2,100,000
Money back guarantee period			30 days
Percentage of products can be returned for a full refund by terminated distributors (up to)	30.00%		30.00%
Percent of restocking fee	10.00%		10.00%
Research and development	$ 100,000	300,000	$ 1,000,000	800,000
Income tax expense	$ 376,000	$ 598,000	$ 210,000	$ 2,777,000
Antidilutive securities excluded from EPS calculation (in shares) \| shares	18	500	300	600
Number of operating segments \| Segment			1
Number of geographic segments \| Segment			2
Cash accounts held primarily at One Financial Institution
Concentration Risk [Line Items]
Concentration of credit risk			$ 12,200,000
Cash held primarily at Other Financial Institutions
Concentration Risk [Line Items]
Concentration of credit risk			3,700,000
ASU 2014-09
Concentration Risk [Line Items]
Revenue recognized related to accrued loyalty points			$ 500,000