Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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Reference 5: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Reference 6: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Fair Value Measurements - Stock Warrant (Details) - Warrants - USD ($) $ in Thousands	Jun. 30, 2017	Nov. 28, 2016	Sep. 30, 2016
Assets:
Stock warrant	$ 0
Fair Value, Measurements, Recurring
Assets:
Stock warrant			$ 45
Significant Unobservable Inputs (Level 3) \| Fair Value, Measurements, Recurring
Assets:
Stock warrant			45
Maximum
Assets:
Stock warrant			$ 100
Cool Lab, LLC \| Maximum
Assets:
Stock warrant		$ 100
Cool Lab, LLC \| Maximum \| Significant Unobservable Inputs (Level 3)
Assets:
Stock warrant		100
Cool Lab, LLC \| Maximum \| Significant Unobservable Inputs (Level 3) \| Fair Value, Measurements, Recurring
Assets:
Stock warrant		$ 100