Income Taxes (Details Textual) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
	Mar. 16, 2016	Jun. 30, 2017	Jun. 30, 2016	Mar. 01, 2016
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Net, Noncurrent		$ 15	$ 146
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax		828
Deferred Tax Assets, Tax Credit Carryforwards, Research		1,239
Deferred Tax Assets, Operating Loss Carryforwards, Domestic		71,953
Deferred Tax Assets, Valuation Allowance, Current		36,634	31,191
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount		5,443
Unrecognized Tax Benefits that Would Impact Effective Tax Rate		143
Unrecognized Tax Benefits, Interest on Income Taxes Expense		337	88
Unrecognized Tax Benefits, Interest on Income Taxes Accrued		22	281
Unrecognized Tax Benefits, Income Tax Penalties Accrued		0	$ 88
Unrecognized Benefits Resulting In Net Operating Loss Carryforward		11,189
Research And Development Credits		$ 140
Common Stock, Par or Stated Value Per Share		$ 0.01	$ 0.01
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount		$ (1,294)	$ 0
Tax Credit Carryforward, Expiration Period		20 years
Research and Development Tax Credit [Member]
Operating Loss Carryforwards [Line Items]
Other Assets, Current		$ 675
Additional Research and Development Tax Credit [Member]
Operating Loss Carryforwards [Line Items]
Other Assets, Current		64
Deferred Tax Assets,Change in Valuation Allowance Due To Other Deferred Tax Adjustments [Member]
Operating Loss Carryforwards [Line Items]
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount		1,570
Deferred Tax Assets,Change in Valuation Allowance Due To Creation of Deferred Tax Assets [Member]
Operating Loss Carryforwards [Line Items]
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount		3,995
Deferred Tax Assets,Change in Valuation Allowance Due To Miscellaneous True up Adjustments [Member]
Operating Loss Carryforwards [Line Items]
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount		123
Tax Asset Preservation Plan [Member]
Operating Loss Carryforwards [Line Items]
Common Stock, Par or Stated Value Per Share				$ 0.01
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger	0.00%
Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards		28,335
Domestic Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Additional Estimates of Tax Credit, Research and Development, Amount		575
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Net, Noncurrent		71,953
Operating Loss Carryforwards		37,394
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount		719	$ 675
Additional Estimates of Tax Credit, Research and Development, Amount		540
State and Local Jurisdiction [Member] | Research and Development Tax Credit [Member]
Operating Loss Carryforwards [Line Items]
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount		$ 173
Research and Development Expense [Member]
Operating Loss Carryforwards [Line Items]
Tax Carry Forward Period		20 years