Condensed Consolidated Statements of Shareholders' (Deficit) Equity - USD ($) $ in Thousands	Total	Share Capital	Additional Paid in Capital	Capital Contribution	Treasury Shares	Accumulated Deficit	Accumulated Other Comprehensive Loss
Beginning balance at Dec. 31, 2018	$ (20,571)		$ 772	$ 24,651		$ (45,773)	$ (221)
Beginning balance, shares at Dec. 31, 2018		77,000
Net income (loss)	(18,512)					(18,512)
Share-based compensation	16,078		16,078
Issuance of shares in Recapitalization and related reclassification	2	$ 2	24,651	(24,651)
Issuance of shares in Recapitalization and related reclassification, shares		19,849,000
Issuance of shares in initial public offering, net of issuance costs	61,735	$ 1	61,734
Issuance of shares in initial public offering, net of issuance costs, shares		5,800,000
Treasury shares withheld for net settlement in Recapitalization	(825)		308		$ (1,133)
Treasury shares withheld for net settlement in Recapitalization, shares		(94,000)
Foreign currency translation adjustment	26						26
Ending balance at Jun. 30, 2019	37,933	$ 3	103,543		(1,133)	(64,285)	(195)
Ending balance, shares at Jun. 30, 2019		25,632,000
Beginning balance at Mar. 31, 2019	(18,711)		772	24,651		(43,911)	(223)
Beginning balance, shares at Mar. 31, 2019		77,000
Net income (loss)	(20,374)					(20,374)
Share-based compensation	16,078		16,078
Issuance of shares in Recapitalization and related reclassification	2	$ 2	24,651	$ (24,651)
Issuance of shares in Recapitalization and related reclassification, shares		19,849,000
Issuance of shares in initial public offering, net of issuance costs	61,735	$ 1	61,734
Issuance of shares in initial public offering, net of issuance costs, shares		5,800,000
Treasury shares withheld for net settlement in Recapitalization	(825)		308		(1,133)
Treasury shares withheld for net settlement in Recapitalization, shares		(94,000)
Foreign currency translation adjustment	28						28
Ending balance at Jun. 30, 2019	37,933	$ 3	103,543		(1,133)	(64,285)	(195)
Ending balance, shares at Jun. 30, 2019		25,632,000
Beginning balance at Dec. 31, 2019	$ 39,929	$ 3	104,773		(1,094)	(63,374)	(379)
Beginning balance, shares at Dec. 31, 2019	25,672,983	25,673,000
Net income (loss)	$ 2,474					2,474
Share-based compensation	1,751		1,751
Issuance of vested shares, shares		20,000
Treasury shares withheld for net settlement in Recapitalization	46				46
Treasury shares withheld for net settlement in Recapitalization, shares		(9,000)
Foreign currency translation adjustment	(404)						(404)
Ending balance at Jun. 30, 2020	$ 43,796	$ 3	106,524		(1,048)	(60,900)	(783)
Ending balance, shares at Jun. 30, 2020	25,684,371	25,684,000
Beginning balance at Mar. 31, 2020	$ 39,567	$ 3	105,584		(1,041)	(64,212)	(767)
Beginning balance, shares at Mar. 31, 2020		25,680,000
Net income (loss)	3,312					3,312
Share-based compensation	940		940
Issuance of vested shares, shares		5,000
Treasury shares withheld for net settlement in Recapitalization	(7)				(7)
Treasury shares withheld for net settlement in Recapitalization, shares		(1,000)
Foreign currency translation adjustment	(16)						(16)
Ending balance at Jun. 30, 2020	$ 43,796	$ 3	$ 106,524		$ (1,048)	$ (60,900)	$ (783)
Ending balance, shares at Jun. 30, 2020	25,684,371	25,684,000