Sale of Product Line (Details Textual) - USD ($) $ in Thousands		1 Months Ended	12 Months Ended
	Sep. 09, 2015	Jan. 31, 2017	Jun. 30, 2017	Jun. 30, 2016
Product Information [Line Items]
Sales Revenue, Goods, Net, Total			$ 17,141	$ 22,044
Disposal Group, Including Discontinued Operation, Assets, Current, Total	$ 188		0	9,215
Financial Guarantee Insurance Contracts, Unearned Premium Revenue, Total	1,016
Legal Fees	228	$ 68
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal			0	4,100
Proceeds from sale of intangible assets	2,750
Proceeds From Receipt Of Deferred Payment	375
Proceeds From Source Related To Escrow	375
Disposal Group, Including Discontinued Operation, Operating Income (Loss)			$ 6,893	$ 7,097
Assets Purchase Agreement [Member]
Product Information [Line Items]
Sales Revenue, Goods, Net, Total	$ 3,500