Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 3,212,244	$ 2,839,687
Accounts receivable, net	292,854	215,109
Prepaid expenses and other current assets	74,350	164,823
Total current assets	3,579,448	3,219,619
Property and equipment, net	32,195	40,493
Intangible assets, net	2,963,111	3,175,198
Operating lease right-of-use assets	42,569	61,040
Total assets	6,617,323	6,496,350
Current liabilities:
Accounts payable	2,383,722	2,300,509
Accrued expenses	421,212	376,387
Contract liabilities	12,715	11,154
Operating lease obligations – current portion	36,972	36,123
Total current liabilities	2,854,621	2,724,173
Long-term liabilities:
Operating lease obligations – net of current portion	5,274	25,187
Deferred tax liability, net	824,180	838,312
Total liabilities	3,684,075	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 June 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	72,751,200	72,691,201
Accumulated other comprehensive income	535,079	590,067
Accumulated deficit	(70,303,004)	(70,322,550)
Common stock in treasury, at cost, 33,840 shares at June 30, 2022 and December 31, 2021	(57,847)	(57,847)
Total shareholders' equity	2,933,248	2,908,678
Total liabilities and shareholders' equity	6,617,323	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 June 30, 2022 and December 31, 2021, respectively	$ 0	$ 0