Stockholders' Equity (Deficit) (Details 1) - USD ($) $ in Thousands	9 Months Ended		12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense			$ 3,078	$ 24,952
Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 463			1,500
March 2017 warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense
Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense				108
Services [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	790	5	14	596
Services [Member] | Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	463
Services [Member] | Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense				108
Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	1,750	2,604	2,692	22,092
Employees [Member] | Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense				1,500
Employees [Member] | Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense
Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	479	300	400	550
Director [Member] | Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense
Director [Member] | Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense
Services prepaid expense [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense				1,714
Services prepaid expense [Member] | Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense
Services prepaid expense [Member] | Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense
2017 Omnibus Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	875	870	742	3,564
2017 Omnibus Incentive Plan [Member] | Services [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	175	5	(14)	307
2017 Omnibus Incentive Plan [Member] | Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	500	565	356	2,707
2017 Omnibus Incentive Plan [Member] | Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	200	300	400	550
2017 Omnibus Incentive Plan [Member] | Services prepaid expense [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense
Non-Qualified Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	1,681	1,720	2,066	1,184
Non-Qualified Stock Options [Member] | Services [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	152
Non-Qualified Stock Options [Member] | Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	1,250	1,720	2,066	1,184
Non-Qualified Stock Options [Member] | Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	279
Non-Qualified Stock Options [Member] | Services prepaid expense [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense
2013 Incentive Stock Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense		319	270	18,596
2013 Incentive Stock Plan [Member] | Services [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense				181
2013 Incentive Stock Plan [Member] | Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense		319	270	16,701
2013 Incentive Stock Plan [Member] | Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense
2013 Incentive Stock Plan [Member] | Services prepaid expense [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense				$ 1,714