Consolidated Statements of Changes in Shareholder's Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]
Beginning Balance (in shares) at Mar. 31, 2020		11,276,187
Beginning Balance at Mar. 31, 2020	$ 12,994	$ 137,424	$ 9,797	$ (7,887)	$ (126,340)
Net loss and total comprehensive loss for the period	(19,678)				(19,678)
Cumulative translation adjustment	1,554			1,554
Warrants exercised (in shares)		27,872
Warrants exercised	183	$ 274	(91)
Net proceeds from shares issued under the at-the-market (ATM) program (in shares)		14,715,596
Net proceeds from shares issued under the at-the-market (ATM) program	59,336	$ 59,336
Stock based compensation	1,271	$ 160	1,111
Stock based compensation (in shares)		27,295
Ending Balance (in shares) at Mar. 31, 2021		26,046,950
Ending Balance at Mar. 31, 2021	55,660	$ 197,194	10,817	(6,333)	(146,018)
Common shares issued in relation to merger with Grace via share-for-share (in shares)		18,241,233
Common shares issued in relation to merger with Grace via share-for-share	60,796	$ 60,796
Net loss and total comprehensive loss for the period	(9,819)				(9,819)
Cumulative translation adjustment	296			296
Stock based compensation	1,337		1,337
Ending Balance (in shares) at Mar. 31, 2022		44,288,183
Ending Balance at Mar. 31, 2022	$ 108,270	$ 257,990	$ 12,154	$ (6,037)	$ (155,837)