Consolidated Balance Sheets - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 37,853,947	$ 48,251,336
Marketable securities	15,014,750	0
Accounts receivable	13,327,364	8,910,975
Prepaid expenses and other current assets	2,962,903	1,936,842
Total current assets	69,158,964	59,099,153
Non-current assets
Property and equipment, net	78,107	171,190
Right of use assets - operating leases	999,567	278,455
Patents and patent applications, net	11,628	13,000
Other non-current assets	179,532	1,051,234
Total assets	70,427,798	60,613,032
Current liabilities
Accounts payable and accrued liabilities	3,369,848	2,966,479
Accrued salaries and wages	201,254	908,516
Royalty payable	2,920,148	1,908,072
Deferred revenue	16,618	354,756
Operating leases - current	337,690	282,421
Total current liabilities	6,845,558	6,420,244
Long-term liabilities
Operating leases - long term	673,347	0
Convertible debt, net of unamortized discount	16,069,085	18,700,546
Total liabilities	23,587,990	25,120,790
Stockholders' equity
Common stock; par value $0.001; 200,000,000 shares authorized; 4,909,846 and 4,258,105 shares issued and outstanding at December 31, 2021 and 2020, respectively.	4,910	4,259
Additional paid-in capital	108,569,988	100,203,979
Accumulated other comprehensive loss	(54,815)	(26,931)
Accumulated deficit	(61,680,275)	(64,689,065)
Total stockholders' equity	46,839,808	35,492,242
Total liabilities and stockholders' equity	$ 70,427,798	$ 60,613,032