Items - USD ($)	3 Months Ended
	Jun. 30, 2025		Jun. 30, 2024
Common Stock
Equity Balance, Starting	$ 48,372		$ 48,337
Shares Outstanding, Starting	4,837,166		4,833,676
Shares Outstanding, Ending	4,837,166		4,833,676
Equity Balance, Ending	$ 48,372		$ 48,337
Additional Paid-in Capital
Equity Balance, Starting	19,821,106		19,554,812
Shares Granted, Value, Share-Based Payment Arrangement, after Forfeiture	6,838		18,442
Equity Balance, Ending	19,827,944		19,573,254
AOCI Including Portion Attributable to Noncontrolling Interest
Equity Balance, Starting	(68,544)		(777,637)
Unrealized loss from marketable securities, net of tax	75,362		28,710
Equity Balance, Ending	6,818		(748,927)
Retained Earnings
Equity Balance, Starting	42,467,837		46,743,005
Net income	3,575,818		4,097,587
Dividends, Cash	(4,837,166)		(4,833,676)
Equity Balance, Ending	41,206,489		46,006,916
Equity Balance, Starting	62,268,771	[1]	65,568,517	[2]
Unrealized loss from marketable securities, net of tax	75,362		28,710
Net income	3,575,818		4,097,587
Total comprehensive income	3,651,180		4,126,297
Shares Granted, Value, Share-Based Payment Arrangement, after Forfeiture	6,838		18,442
Dividends, Cash	(4,837,166)		(4,833,676)
Equity Balance, Ending	$ 61,089,623		$ 64,879,580	[1]

[1] Balances as of March 31, 2025 are derived from the audited financial statements contained in our Annual Report on Form 10-K for the fiscal year ended March 31, 2025.

[2] Balances as of March 31, 2024 are derived from the audited financial statements contained in our Annual Report on Form 10-K for the fiscal year ended March 31, 2025.