CONSOLIDATED BALANCE SHEETS - USD ($)	Mar. 31, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalent	$ 17,805,324	$ 7,890,665
Accounts receivable, net of allowance for doubtful accounts of $191,667 and $209,667, respectively.	5,749,261	6,227,610
Prepaid expenses and other current assets	534,471	413,435
Total current assets	24,089,056	14,531,710
Property and equipment, net	1,292,933	1,187,061
Other assets
Goodwill	9,853,342	9,853,342
Intangible assets, net of accumulated amortization	8,119,713	8,586,089
Right of use assets - operating lease	843,573	606,573
Right of use assets - finance lease	315,793	395,910
Other assets	35,185	20,886
Total other assets	19,167,606	19,462,800
Total assets	44,549,595	35,181,571
Current liabilities
Accounts payable	2,790,432	4,048,260
Accrued expenses and other current liabilities	4,006,124	4,216,448
Lease liability - operating lease	305,637	217,671
Lease liability - finance lease	197,100	246,793
Total current liabilities	7,299,293	8,729,172
Long-term liabilities
Deferred tax liability	107,000	107,000
Lease liability - operating lease	537,936	388,902
Lease liability - finance lease	83,900	93,426
Other long-term liabilities	6,925	573,957
Total long-term liabilities	735,761	1,163,285
Preferred stock, $0.001 par value:
Authorized shares 500,000, none issued and outstanding	0	0
Common stock, $0.001 par value:
Authorized shares 150,000,000 and 100,000,000, respectively; issued and outstanding shares 118,518,445 and 98,035,829, respectively.	118,519	98,036
Additional paid-in capital	174,893,660	161,541,448
Accumulated deficit	(138,497,638)	(136,350,370)
Total stockholders' equity	36,514,541	25,289,114
Total liabilities and stockholders' equity	$ 44,549,595	$ 35,181,571