Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Jun. 30, 2017
Deferred tax assets:
Accrued compensation	$ 18	$ 10
Stock-based compensation	39	44
Intangible assets	1,397	2,568
Net operating losses	1,101	1,354
Inventories	67	84
Other	6	6
Gross deferred tax assets	2,628	4,066
Valuation allowance	(2,542)	(3,867)
Total deferred tax assets, net of valuation allowance	86	199
Deferred tax liabilities:
Unrealized gain	(14)	(2)
Property and equipment	(72)	(197)
Total deferred tax liability	(86)	(199)
Net deferred taxes	$ 0	$ 0