Quarterly report pursuant to Section 13 or 15(d)

Offerings of Common Stock and Warrants and At-the-Market Offering Program - At-the-Market Offerings (Details)

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Offerings of Common Stock and Warrants and At-the-Market Offering Program - At-the-Market Offerings (Details) - USD ($)
$ in Thousands
9 Months Ended
Dec. 31, 2020
Jun. 07, 2018
Offerings of Common Stock and Warrants and At-the-Market Offering Program    
Aggregate offering price for at-the-market offering program $ 18,900 $ 25,000
Common stock sold (in shares) 782,448  
Net proceeds from sale of the common stock, after deducting fees and other offering expenses $ 1,400  
Common stock commissions paid $ 51