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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2019
Statement of Income and Comprehensive Income [Abstract]
Net income (loss)	$ (4,982)	$ (5,216)	$ (5,231)	$ (6,076)	$ (3,824)	$ (4,620)	$ (1,768)	$ (125)	$ (21,505)	$ (10,337)	$ 163
Net unrealized gain (loss) on available-for-sale investments									(91)	108	105
Total comprehensive income (loss)									$ (21,596)	$ (10,229)	$ 268

X

- Definition

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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