XML 19 R6.htm IDEA: XBRL DOCUMENT v3.21.1
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Income (Loss)
Retained Earnings
Total
Beginning Balance - Shares at Mar. 31, 2018 21,407,247        
Beginning Balance - Amount at Mar. 31, 2018 $ 21 $ 27,391 $ (142) $ 59,545 $ 86,815
Issuance of common stock under employee stock option plans, shares 933,746        
Issuance of common stock under employee stock option plans, amount $ 1 3,908     3,909
Repurchase and retirement of common stock, shares (20,837)        
Repurchase and retirement of common stock, amount   (103)     (103)
Stock-based compensation expense   2,266     2,266
Comprehensive income (loss):          
Net income (loss)       163 163
Net unrealized gain (loss) on available-for-sale investments     105   105
Ending Balance, Shares at Mar. 31, 2019 22,320,156        
Ending Balance, Amount at Mar. 31, 2019 $ 22 33,462 (37) 59,708 93,155
Issuance of common stock under employee stock option plans, shares 909,130        
Issuance of common stock under employee stock option plans, amount $ 1 4,148     4,149
Stock-based compensation expense   2,566     2,566
Comprehensive income (loss):          
Net income (loss)       (10,337) (10,337)
Net unrealized gain (loss) on available-for-sale investments     108   108
Ending Balance, Shares at Mar. 31, 2020 23,229,286        
Ending Balance, Amount at Mar. 31, 2020 $ 23 40,176 71 49,371 89,641
Issuance of common stock under employee stock option plans, shares 790,990        
Issuance of common stock under employee stock option plans, amount $ 1 4,692     4,693
Stock-based compensation expense   2,854     2,854
Comprehensive income (loss):          
Net income (loss)       (21,505) (21,505)
Net unrealized gain (loss) on available-for-sale investments     (91)   (91)
Ending Balance, Shares at Mar. 31, 2021 24,020,276        
Ending Balance, Amount at Mar. 31, 2021 $ 24 $ 47,722 $ (20) $ 27,866 $ 75,592