Share Capital (Details Textual) $ / shares in Units, $ in Thousands		6 Months Ended		9 Months Ended
	Mar. 14, 2019 USD ($) $ / shares shares	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Sep. 30, 2019 USD ($) vote shares	Sep. 30, 2018 USD ($)	Oct. 18, 2019 shares	Dec. 31, 2018 shares	Mar. 31, 2018 shares	Dec. 31, 2017 shares	Mar. 07, 2017 $ / shares
Share Capital [Line Items]
Issuance of common and convertible preference shares				$ 98,620
Expenses for convertible preference shares			$ (97)
Series 4 Convertible Preferred Stock
Share Capital [Line Items]
Proceeds from issuance of common and convertible preference shares, net of issuance costs				$ 98,620	$ 0
Preferred Stock
Share Capital [Line Items]
Proceeds from issuance of common and convertible preference shares, net of issuance costs	$ 98,620
Shares outstanding (shares) | shares				145,000,000				95,000,000
Preferred Stock | Series 4 Convertible Preferred Stock
Share Capital [Line Items]
Preferred Stock, Liquidation Preference Per Share | $ / shares										$ 1,000
Preferred Stock, Conversion Price Per Preference Share | $ / shares	$ 7.42									$ 10.00
Preferred Stock, Accretion of Redemption Discount				$ 7
Preferred Stock, Liquidation Preference, Value				$ 116
Shares outstanding (shares) | shares				145,000,000					95,000
Expenses for convertible preference shares			$ (97)
Preferred Stock, Conversion Basis, Common Stock Class A Closing Trade Price					125.00%
Preferred Stock, Liquidation Preference Percentage Rate, Change of Control of the Company					7.00%
Preferred Stock | Series 6 Convertible Preferred Stock
Share Capital [Line Items]
Stock Issued During Period, Shares, Issued For Services, Convertible Preferred Shares | shares	50,000
Proceeds from issuance of common and convertible preference shares, net of issuance costs	$ 50,000
Preferred Stock, Liquidation Preference Per Share | $ / shares	$ 1,000
Preferred Stock, Conversion Price Per Preference Share | $ / shares	$ 5.00
Preferred Stock, Accretion Percentage, Preference	8.00%
Preferred Stock, Convertible Preference Shares, Accretion Period	5 years
Preferred Stock, Accretion of Redemption Discount		$ 2
Preferred Stock, Liquidation Preference, Value				$ 52
Preferred Stock, Convertible Preference Shares, Convertible at Company's Option, Term	2 years
Preferred Stock, Conversion Basis, Common Stock Class A Closing Trade Price	125.00%
Preferred Stock, Dividend Rate, Percentage	7.00%
Additional Paid-in Capital
Share Capital [Line Items]
Issuance of common and convertible preference shares				$ 35,997
Common Stock | Common Class A
Share Capital [Line Items]
Stock Issued During Period, Shares, Issued for Services | shares	14,285,714
Proceeds from Issuance of Common Stock	$ 50,000
Shares outstanding (shares) | shares						72,142,668	57,517,568
Common stock, voting rights, number of votes per share | vote				1
Common Stock | Common Class B
Share Capital [Line Items]
Shares outstanding (shares) | shares						3,749	3,755		3,755
Common stock, voting rights, number of votes per share | vote				20
Contingent Consideration, Liability Settlements [Domain] | Preferred Stock | Series 4 Convertible Preferred Stock
Share Capital [Line Items]
Issuance of common and convertible preference shares				$ 62,623