CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($)	Total	Common Stock	Additional Paid-in Capital	Retained Earnings
Beginning balance (in shares) at Mar. 31, 2021		6,805,294
Beginning balances at Mar. 31, 2021	$ 404,927,441		$ 255,590,674	$ 149,336,767
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Proceeds from exercise of stock options (in shares)		23,494
Proceeds from exercise of stock options	1,808,854		1,808,854
Common stock repurchases (in shares)		(134,249)
Common stock repurchases	(21,082,862)			(21,082,862)
Restricted common stock expense under stock option plan, net of cancellations (in shares)		(836)
Restricted common stock expense under stock option plan, net of cancellations	3,102,974		3,102,974
Stock option expense	943,627		943,627
Net income (loss)	15,770,828			15,770,828
Ending balance (in shares) at Jun. 30, 2021		6,693,703
Ending balances at Jun. 30, 2021	405,470,862		261,446,129	144,024,733
Beginning balance (in shares) at Mar. 31, 2022		6,348,314
Beginning balances at Mar. 31, 2022	373,024,428		280,907,085	92,117,343
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Proceeds from exercise of stock options (in shares)		4,300
Proceeds from exercise of stock options	403,547		403,547
Common stock repurchases (in shares)		(73,643)
Common stock repurchases	(14,314,088)			(14,314,088)
Restricted common stock expense under stock option plan, net of cancellations (in shares)		1,750
Restricted common stock expense under stock option plan, net of cancellations	3,048,003		3,048,003
Stock option expense	768,055		768,055
Net income (loss)	(8,802,893)			(8,802,893)
Ending balance (in shares) at Jun. 30, 2022		6,280,721
Ending balances at Jun. 30, 2022	$ 354,127,052		$ 285,126,690	$ 69,000,362