Overview of the Business and Basis of Presentation - Valuation methodology and unobservable inputs (Details) $ in Thousands	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)
Assets, Fair value		$ 3,090
Preferred Stock [Member]
Assets, Fair value	$ 2,883	2,883
Fair Value, Inputs, Level 3 [Member]
Assets, Fair value		3,090
Fair Value, Inputs, Level 3 [Member] \| Preferred Stock [Member]
Assets, Fair value	2,883	2,883
Contingent cash payments
Assets, Fair value		2,890
Contingent cash payments \| Fair Value, Inputs, Level 3 [Member]
Assets, Fair value		2,890
Contingent cash payments \| Fair Value, Inputs, Level 3 [Member] \| Lm Capital Solutions Llc [Member]
Liabilities, Fair value	0
Contingent warrants
Assets, Fair value		200
Contingent warrants \| Fair Value, Inputs, Level 3 [Member]
Assets, Fair value		$ 200
Contingent warrants \| Fair Value, Inputs, Level 3 [Member] \| Lm Capital Solutions Llc [Member]
Liabilities, Fair value	$ 0
Discount rate \| Monte Carlo simulations [Member] \| Contingent cash payments \| Fair Value, Inputs, Level 3 [Member]
Contingent cash payments		12.0
Discount rate \| Monte Carlo simulations [Member] \| Contingent cash payments \| Fair Value, Inputs, Level 3 [Member] \| Lm Capital Solutions Llc [Member]
Contingent cash payments	10.5
Measurement Input, Expected Term [Member] \| BlackScholes Monte Carlo Simulations [Member] \| Contingent warrants \| Fair Value, Inputs, Level 3 [Member]
Contingent warrants		6.25
Measurement Input, Expected Term [Member] \| BlackScholes Monte Carlo Simulations [Member] \| Contingent warrants \| Fair Value, Inputs, Level 3 [Member] \| Lm Capital Solutions Llc [Member]
Contingent warrants	6.25
Measurement Input, Option Volatility [Member] \| Monte Carlo simulations [Member] \| Contingent cash payments \| Fair Value, Inputs, Level 3 [Member]
Contingent cash payments		25.0
Measurement Input, Option Volatility [Member] \| Monte Carlo simulations [Member] \| Contingent cash payments \| Fair Value, Inputs, Level 3 [Member] \| Lm Capital Solutions Llc [Member]
Contingent cash payments	25.0
Measurement Input, Option Volatility [Member] \| BlackScholes Monte Carlo Simulations [Member] \| Contingent warrants \| Fair Value, Inputs, Level 3 [Member]
Contingent warrants		30.0
Measurement Input, Option Volatility [Member] \| BlackScholes Monte Carlo Simulations [Member] \| Contingent warrants \| Fair Value, Inputs, Level 3 [Member] \| Lm Capital Solutions Llc [Member]
Contingent warrants	25.0
Measurement Input Drift Rate [Member] \| Monte Carlo simulations [Member] \| Contingent cash payments \| Fair Value, Inputs, Level 3 [Member]
Contingent cash payments		1.7
Measurement Input Drift Rate [Member] \| Monte Carlo simulations [Member] \| Contingent cash payments \| Fair Value, Inputs, Level 3 [Member] \| Lm Capital Solutions Llc [Member]
Contingent cash payments	0.2
Measurement Input, Credit Spread [Member] \| Monte Carlo simulations [Member] \| Contingent cash payments \| Fair Value, Inputs, Level 3 [Member]
Contingent cash payments		8.0
Measurement Input, Credit Spread [Member] \| Monte Carlo simulations [Member] \| Contingent cash payments \| Fair Value, Inputs, Level 3 [Member] \| Lm Capital Solutions Llc [Member]
Contingent cash payments	7.0
Measurement Input, Risk Free Interest Rate [Member] \| BlackScholes Monte Carlo Simulations [Member] \| Contingent warrants \| Fair Value, Inputs, Level 3 [Member]
Contingent warrants		2.6
Measurement Input, Risk Free Interest Rate [Member] \| BlackScholes Monte Carlo Simulations [Member] \| Contingent warrants \| Fair Value, Inputs, Level 3 [Member] \| Lm Capital Solutions Llc [Member]
Contingent warrants	0.4
Measurement Input Dividend Yield [Member] \| BlackScholes Monte Carlo Simulations [Member] \| Contingent warrants \| Fair Value, Inputs, Level 3 [Member]
Contingent warrants		0.0
Measurement Input Dividend Yield [Member] \| BlackScholes Monte Carlo Simulations [Member] \| Contingent warrants \| Fair Value, Inputs, Level 3 [Member] \| Lm Capital Solutions Llc [Member]
Contingent warrants	0.0

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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-Publisher FASB
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-Section 50
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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