Consolidated Condensed Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities:
Net income	$ 1,378,548	$ 1,285,112
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	308,945	236,006
Amortization of operating right of use asset	14,829	14,142
Stock compensation expense	85,375	111,046
Bad debt expense	75,000	150,000
(Increase) decrease in:
Accounts receivables	(547,809)	(255,281)
Long-term receivables, prepaids and other assets	216,340	434,448
Accounts payable	(116,499)	(264,711)
Operating lease liability	(57,164)	(13,003)
Accrued liabilities	(14,218)	(58,182)
Deferred revenue	177,423	171,898
Net cash provided by operating activities	1,520,770	1,811,475
Cash flows from investing activities:
Purchase of property and equipment	0	(19,533)
Net cash provided by (used in) investing activities	0	(19,533)
Cash flows from financing activities:
Proceeds from employee stock plan	57,743	48,903
Net (decrease) increase in lines of credit	0	(1,294,317)
Common stock buy-back/retirement	(1,322,082)	(103,657)
Dividends paid	(421,248)	(146,611)
Payments on notes payable and capital leases	(128,834)	(129,481)
Net cash used in financing activities	(1,814,421)	(1,625,163)
Net increase (decrease) in cash and cash equivalents	(293,651)	166,779
Cash and cash equivalents at beginning of period	23,990,879	21,460,948
Cash and cash equivalents at end of period	23,697,228	21,627,727
Supplemental Disclosure of Cash Flow Information
Cash paid for income taxes	221,661	146,723
Cash paid for interest	2,329	24,653
Cash paid for operating leases	18,141	17,613
Supplemental Disclosure of Non-Cash Investing and Financing Activities
Dividends accrued on preferred stock	146,611	146,611
Common Stock to Pay Accrued Liabilities [Member]
Supplemental Disclosure of Non-Cash Investing and Financing Activities
Common stock to pay accrued liabilities	$ 37,500	$ 76,873