Income Taxes (Tables)

12 Months Ended

Jun. 30, 2017

Income Tax Disclosure [Abstract]

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	As of June 30,
	2017		2016
Fixed assets	$	519	$	610
Share-based compensation		664		545
Reserves		9		13
Other accruals		33		119
Asset retirement obligation		196		203
Net operating loss carryforwards		21,302		19,110
Total deferred tax assets		22,723		20,600
Valuation allowance		(22,723)		(20,600)
Total	$	-	$	-

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	For the year ended June 30,
	2017		2016		2015
Expected income tax benefit base on statutory rate of 35%	$	(2,157)	$	(1,649)	$	(1,288)
Meals and entertainment		17		7		10
Non-deductible penalties		16		21		19
Warrant derivative liability		(9)		(54)		(131)
Share-based compensation		10		-		-
Change in valuation allowance		2,123		1,675		1,390
Income tax expense (benefit)	$	-	$	-	$	-