Consolidated Condensed Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities:
Net income	$ 2,550,456	$ 1,818,885
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	465,166	478,931
Amortization of operating right of use asset	28,450	44,382
Stock compensation expense	209,869	234,396
Bad debt expense	300,000	250,000
Gain on disposal of assets	0	(24,737)
Loss on sale of property and equipment	0	107,820
(Increase) decrease in:
Accounts receivables	247,507	285,141
Long-term receivables, prepaids and other assets	21,431	(97,532)
(Decrease) increase in:
Accounts payable	(300,930)	15,721
Operating lease liability	(26,172)	(44,382)
Accrued liabilities	(207,025)	87,811
Deferred revenue	11,240	(97,482)
Net cash provided by operating activities	3,299,992	3,058,954
Cash flows from investing activities:
Sale of property and equipment	0	1,374,085
Purchase of property and equipment	(270,854)	(17,049)
Net cash provided by (used in) investing activities	(270,854)	1,357,036
Cash flows from financing activities:
Net (decrease) increase in lines of credit	(2,142,165)	(5,070,000)
Common Stock buyback/retirement	(551,923)	(1,470,974)
Proceeds from employee stock plan	48,903	56,577
Dividends paid	(570,511)	(293,222)
Payments on notes payable and capital leases	125,865	0
Net cash used in financing activities	(3,089,831)	(6,777,619)
Net decrease in cash and cash equivalents	(60,693)	(2,361,629)
Cash and cash equivalents at beginning of period	21,460,948	24,070,322
Cash and cash equivalents at end of period	21,400,255	21,708,693
Supplemental disclosure of cash flow information:
Cash paid for income taxes	264,486	172,342
Cash paid for interest	40,446	7,688
Cash paid for operating leases	$ 35,226	$ 71,200
Supplemental disclosure of non-cash investing and financing activities:
Common stock to pay accrued liabilities (in shares)	152,195	234,447
Dividends accrued on preferred stock	$ 293,222	$ 293,222