Note 3- Revenue from Contracts with Customers (Details Textual) $ in Thousands		3 Months Ended
Sep. 30, 2018 USD ($)	Sep. 30, 2018 USD ($)
Contract with Customer, Asset, Net, Total	$ 0	$ 0
Contract with Customer, Liability, Total	$ 100	$ 100
Number of Reportable Segments	2	2
Prepaid Expenses and Other Current Assets [Member]
Contract with Customer, Right to Recover Product, Total	$ 100	$ 100
Accrued Expenses [Member]
Contract with Customer, Refund Liability, Total	$ 300	$ 300

Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

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- Definition

Amount of liability for consideration received or receivable from customer which is not included in transaction price, when consideration is expected to be refunded to customer.

+ References

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-Publisher FASB
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-Topic 606
-SubTopic 10
-Section 55
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- Definition

Amount of right to recover product from customer on settling refund liability.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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