Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Sep. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 2,480,524	$ 1,644,210
Accounts receivable, net	223,276	171,785
Prepaid expenses and other current assets	139,933	184,366
Total current assets	2,843,733	2,000,361
Property and equipment, net	44,261	59,848
Intangible assets, net	3,288,828	3,633,420
Operating lease right-of-use assets	69,444	93,457
Total assets	6,246,266	5,787,086
Current liabilities:
Accounts payable	1,653,284	1,460,484
Finance leases - current portion	0	2,844
Accrued expenses	404,682	276,254
Contract liabilities	10,535	9,046
Operating lease obligations – current portion	36,169	33,118
Total current liabilities	2,104,670	1,781,746
Long-term liabilities:
Operating lease obligations – net of current portion	33,843	61,794
Deferred tax liability, net	965,965	960,947
Total liabilities	3,104,478	2,804,487
Commitments and contingencies
Shareholders' equity:
Common stock, $0.001 par value, 25,000,000 shares authorized; 7,807,103 shares issued and 7,773,263 shares outstanding at September 30, 2021, 6,489,004 shares issued and 6,455,164 shares outstanding at December 31, 2020	7,807	6,489
Accrued common stock bonus	0	2,005,500
Additional paid-in capital	72,590,095	70,083,486
Accumulated other comprehensive income	582,168	570,761
Accumulated deficit	(69,980,435)	(69,625,790)
Common stock in treasury, at cost, 33,840 shares at September 30, 2021 and December 31, 2020	(57,847)	(57,847)
Total shareholders' equity	3,141,788	2,982,599
Total liabilities and shareholders' equity	6,246,266	5,787,086
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, 2021 and December 31, 2020, respectively	$ 0	$ 0