Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 3,031,365	$ 2,839,687
Accounts receivable, net	304,767	215,109
Prepaid expenses and other current assets	114,282	164,823
Total current assets	3,450,414	3,219,619
Property and equipment, net	26,526	40,493
Intangible assets, net	2,695,630	3,175,198
Operating lease right-of-use assets	31,339	61,040
Total assets	6,203,909	6,496,350
Current liabilities:
Accounts payable	1,421,273	1,624,981
Income taxes payable	765,643	675,527
Accrued expenses	558,971	376,387
Contract liabilities	11,934	11,154
Operating lease obligations – current portion	30,764	36,123
Total current liabilities	2,788,585	2,724,173
Long-term liabilities:
Operating lease obligations – net of current portion	0	25,187
Deferred tax liability, net	770,004	838,312
Total liabilities	3,558,589	3,587,672
Commitments and contingencies
Shareholders' equity:
Common stock, $0.001 par value, 25,000,000 shares authorized; 7,820,124 shares issued and 7,786,284 shares outstanding at September 30, 2022, 7,807,103 shares issued and 7,773,263 shares outstanding at December 31, 2021	7,820	7,807
Additional paid-in capital	72,766,933	72,691,201
Accumulated other comprehensive income	337,379	590,067
Accumulated deficit	(70,408,965)	(70,322,550)
Common stock in treasury, at cost, 33,840 shares at September 30, 2022 and December 31, 2021	(57,847)	(57,847)
Total shareholders' equity	2,645,320	2,908,678
Total liabilities and shareholders' equity	6,203,909	6,496,350
Series A Preferred Stock [Member]
Shareholders' equity:
Series A Preferred stock, $0.001 par value, 5,000,000 shares authorized; no shares issued and outstanding at September 30, 2022 and December 31, 2021, respectively	$ 0	$ 0