Consolidated Condensed Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities:
Net income	$ 4,380,124	$ 4,213,476
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	897,479	771,030
Amortization of operating right of use asset	45,070	43,019
Stock compensation expense	260,853	315,216
Bad debt expense	225,000	1,200,000
(Increase) decrease in:
Accounts receivables	(1,439,014)	86,972
Long-term receivables, prepaids and other assets	751	655,391
Accounts payable	79,025	(309,812)
Operating lease liability	(43,417)	(39,777)
Accrued liabilities	(58,391)	122,744
Deferred revenue	563,261	7,631
Net cash provided by operating activities	4,910,741	7,065,890
Cash flows from investing activities:
Purchase of property and equipment	(17,532)	(133,944)
Capitalization of software costs	(0)	769,243
Purchase of marketable securities	31,006	(0)
Net cash provided by (used in) investing activities	(48,538)	(903,187)
Cash flows from financing activities:
Net (decrease) increase in lines of credit	0	(2,590,907)
Common stock buy-back/retirement	(1,515,574)	(981,194)
Redemption of series B-1 preferred	(1,499,990)	0
Proceeds from employee stock plan	111,839	92,728
Dividends paid	(1,286,657)	(993,037)
Payments on notes payable and capital leases	(210,020)	(209,748)
Net cash used in financing activities	(4,400,402)	(4,682,158)
Net increase (decrease) in cash and cash equivalents	461,801	1,480,545
Cash and cash equivalents at beginning of period	23,990,879	21,460,948
Cash and cash equivalents at end of period	24,452,680	22,941,493
us-gaap_SupplementalCashFlowInformationAbstract
Cash paid for income taxes	317,944	264,486
Cash paid for interest	11,711	52,481
Cash paid for operating leases	54,606	53,015
Supplemental Disclosure of Non-Cash Investing and Financing Activities
Dividends accrued on preferred stock	427,567	439,833
Common Stock to Pay Accrued Liabilities [Member]
Supplemental Disclosure of Non-Cash Investing and Financing Activities
Common stock to pay accrued liabilities	$ 445,980	$ 256,977