Balance Sheets (Current Period Unaudited) - USD ($)	Mar. 31, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 3,015,943	$ 1,858,160
Accounts receivable	1,185,963	1,442,231
Prepaid expenses and other current assets	106,294	142,770
Total current assets	4,308,200	3,443,161
Contract assets - non-current	342,631	210,688
Right-of-use operating lease asset	25,911	51,405
Property and equipment, net of accumulated depreciation and amortization of $317,703 and $312,320	61,395	62,166
Other assets		6,281
Total assets	4,738,137	3,773,701
Current liabilities
Accounts payable	192,213	103,646
Revolving line of credit	500,000
Contract liabilities	455,496	946,884
Accrued payroll and related liabilities	421,183	375,168
Commissions payable	276,794	181,626
Notes payable - current	149,001	93,009
Operating lease liability - current	18,363	45,595
Other accrued liabilities	8,047	54,274
Interest payable	4,583	3,125
Total current liabilities	2,025,680	1,803,327
Note payable - non-current	300,999	356,991
Total liabilities	2,326,679	2,160,318
Stockholders' equity
Common stock, $0.01 par value, 30,000,000 shares authorized, 13,260,042 and 12,904,376 shares issued, 11,617,426 and 11,261,760 shares outstanding as of March 31, 2021, and December 31, 2020, respectively	132,599	129,043
Additional paid-in capital	15,243,769	14,720,065
Accumulated deficit	(12,034,699)	(12,305,514)
Treasury stock, 1,642,616 shares at cost as of March 31, 2021, and December 31, 2020	(930,211)	(930,211)
Total stockholders' equity	2,411,458	1,613,383
Total liabilities and stockholders' equity	$ 4,738,137	$ 3,773,701