Overview of the Business and Basis of Presentation - Valuation methodology and unobservable inputs (Details) $ in Thousands	Dec. 31, 2019 USD ($)	Jun. 30, 2019 USD ($)
Liabilities Fair Value Disclosure	$ 2,690	$ 3,090
Preferred Stock [Member]
Assets, Fair Value Disclosure	2,883	2,883
Fair Value, Inputs, Level 1 [Member]
Liabilities Fair Value Disclosure	0	0
Fair Value, Inputs, Level 1 [Member] | Preferred Stock [Member]
Assets, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 2 [Member]
Liabilities Fair Value Disclosure	0	0
Fair Value, Inputs, Level 2 [Member] | Preferred Stock [Member]
Assets, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 3 [Member]
Liabilities Fair Value Disclosure	2,690	3,090
Fair Value, Inputs, Level 3 [Member] | Preferred Stock [Member]
Assets, Fair Value Disclosure	2,883	2,883
Contingent Consideration [Member]
Liabilities Fair Value Disclosure	2,520	2,890
Contingent Consideration [Member] | Fair Value, Inputs, Level 1 [Member]
Liabilities Fair Value Disclosure	0	0
Contingent Consideration [Member] | Fair Value, Inputs, Level 2 [Member]
Liabilities Fair Value Disclosure	0	0
Contingent Consideration [Member] | Fair Value, Inputs, Level 3 [Member]
Liabilities Fair Value Disclosure	2,520	2,890
Common stock warrants
Liabilities Fair Value Disclosure	170	200
Common stock warrants | Fair Value, Inputs, Level 1 [Member]
Liabilities Fair Value Disclosure	0	0
Common stock warrants | Fair Value, Inputs, Level 2 [Member]
Liabilities Fair Value Disclosure	0	0
Common stock warrants | Fair Value, Inputs, Level 3 [Member]
Liabilities Fair Value Disclosure	$ 170	$ 200
Measurement Input, Discount Rate [Member] | Monte Carlo simulations [Member] | Contingent Consideration [Member] | Fair Value, Inputs, Level 3 [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input	12.0	12.0
Measurement Input, Expected Term [Member] | BlackScholes Monte Carlo Simulations [Member] | Common stock warrants | Fair Value, Inputs, Level 3 [Member]
Warrants and Rights Outstanding, Measurement Input	5.37	6.25
Measurement Input, Option Volatility [Member] | Monte Carlo simulations [Member] | Contingent Consideration [Member] | Fair Value, Inputs, Level 3 [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input	25.0	25.0
Measurement Input, Option Volatility [Member] | BlackScholes Monte Carlo Simulations [Member] | Common stock warrants | Fair Value, Inputs, Level 3 [Member]
Warrants and Rights Outstanding, Measurement Input	25.0	30.0
Measurement Input Drift Rate [Member] | Monte Carlo simulations [Member] | Contingent Consideration [Member] | Fair Value, Inputs, Level 3 [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input	1.6	1.7
Measurement Input, Credit Spread [Member] | Monte Carlo simulations [Member] | Contingent Consideration [Member] | Fair Value, Inputs, Level 3 [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input	8.0	8.0
Measurement Input, Risk Free Interest Rate [Member] | BlackScholes Monte Carlo Simulations [Member] | Common stock warrants | Fair Value, Inputs, Level 3 [Member]
Warrants and Rights Outstanding, Measurement Input	1.7	2.6
Measurement Input Dividend Yield [Member] | BlackScholes Monte Carlo Simulations [Member] | Common stock warrants | Fair Value, Inputs, Level 3 [Member]
Warrants and Rights Outstanding, Measurement Input	0.0	0.0