Concentrations of Credit and Other Risks (Details Textual)	Jun. 30, 2017 USD ($)
Guaranteed [Member]
Product Information [Line Items]
Cash, FDIC Insured Amount	$ 250,000

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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