Consolidated Condensed Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Cash flows from operating activities:
Other comprehensive income (loss) Net income	$ 2,829,697	$ 2,550,456
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	608,903	465,166
Amortization of operating right of use asset	29,838	28,450
Stock compensation expense	171,373	209,869
Bad debt expense	150,000	300,000
(Increase) decrease in:
Accounts receivables	(1,389,753)	247,507
Long-term receivables, prepaids and other assets	127,755	21,431
Accounts payable	(99,081)	(300,930)
Operating lease liability	(28,616)	(26,172)
Accrued liabilities	(71,733)	(207,025)
Deferred revenue	123,564	11,240
Net cash provided by operating activities	2,451,947	3,299,992
Cash flows from investing activities:
Purchase of property and equipment	(10,523)	(270,854)
Purchase of marketable securities	5,904	(0)
Net cash provided by (used in) investing activities	(16,427)	(270,854)
Cash flows from financing activities:
Net (decrease) increase in lines of credit	0	(2,142,165)
Common stock buy-back/retirement	(1,515,574)	(551,923)
Redemption of series B-1 preferred	(749,995)	0
Proceeds from employee stock plan	57,743	48,903
Dividends paid	(840,427)	(570,511)
Payments on notes payable and capital leases	(125,075)	125,865
Net cash used in financing activities	(3,173,328)	(3,089,831)
Net increase (decrease) in cash and cash equivalents	(737,808)	(60,693)
Cash and cash equivalents at beginning of period	23,990,879	21,460,948
Cash and cash equivalents at end of period	23,253,071	21,400,255
Supplemental Disclosure of Cash Flow Information
Cash paid for income taxes	317,944	264,486
Cash paid for interest	6,434	40,446
Cash paid for operating leases	36,282	35,226
Supplemental Disclosure of Non-Cash Investing and Financing Activities
Dividends accrued on preferred stock	293,222	293,222
Common Stock to Pay Accrued Liabilities [Member]
Supplemental Disclosure of Non-Cash Investing and Financing Activities
Common stock to pay accrued liabilities	$ 110,000	$ 152,195