Balance Sheets (Current Period Unaudited) - USD ($)	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash	$ 272,564	$ 425,578
Accounts receivable, net of allowance for doubtful accounts of $68,589 at June 30, 2023 and December 31, 2022, respectively	289,958	59,613
Inventory	15,464	15,464
Marketable securities	673,174	3,216,280
Prepaid expenses and other current assets	144,722	190,120
Total current assets	1,395,882	3,907,055
Property and equipment:
Right of use lease, net of amortization of $249,062 and $213,459 at June 30, 2023 and December 31, 2022, respectively	300,037	335,640
Total property and equipment	374,809	428,726
Investments	8,424,000	0
Total assets	10,194,691	4,335,781
Liabilities, Current [Abstract]
Accounts payable	750,097	730,099
Accrued interest	1,613	1,613
Unearned subscriptions	720,516	1,022,428
Lease liability right of use, current	67,371	70,002
Note payable, current portion (Note 8)	28,877	28,733
Total current liabilities	1,568,474	1,852,875
Long term liabilities:
Lease liability right of use, long term	232,667	265,639
Total long term liabilities	257,806	305,253
Commitments and Contingencies (Note 9)
Stockholders' equity (Note 4)
Common stock, $0.001 par value, 100,000,000 shares authorized: 3,184,579 and 3,297,927 issued and outstanding at June 30, 2023 and December 31, 2022, respectively	3,270	3,298
Common stock payable	0	23,340
Treasury stock	(15,291)	(1,102,375)
Additional paid in capital	26,520,145	18,070,556
Accumulated deficit	(18,145,298)	(14,820,436)
Total stockholders' equity	8,368,411	2,177,653
Total liabilities and stockholders' equity	10,194,691	4,335,781
Undesignated Preferred Stock [Member]
Stockholders' equity (Note 4)
Preferred stock	0	0
Series A Preferred Stock [Member]
Stockholders' equity (Note 4)
Preferred stock	3,185	3,270
Series B Preferred Stock [Member]
Stockholders' equity (Note 4)
Preferred stock	2,400	0
Related Party [Member]
Long term liabilities:
Notes Payable (Note 8)	25,139	39,614
Machinery and Equipment [Member]
Property and equipment:
Office, computer and related equipment, net of depreciation of $125,607 and $104,410 at June 30, 2023 and December 31, 2022, respectively	$ 74,772	$ 93,086