Consolidated Balance Sheets - USD ($)	Dec. 31, 2018	Dec. 31, 2017	Jul. 31, 2017
Current assets
Cash and cash equivalents	$ 24,613,638	$ 8,115,903	$ 6,872,555
Accounts receivable	4,489,317	11,696,676	3,750,000
Prepaid expenses and other current assets	267,623	733,328	164,887
Deferred financing costs	0	209,042	0
Total current assets	29,370,578	20,754,949	10,787,442
Other assets
Computer equipment, net	0	1,183	2,753
Patents and patent applications, net	15,746	17,118	17,690
Total assets	29,386,324	20,773,250	10,807,885
Current liabilities
Accounts payable and accrued liabilities	1,132,960	3,156,992	2,211,971
License fees payable	5,400,000	0	0
Accrued salaries and wages	1,083,644	713,489	1,701,359
Royalty payable	998,305	1,408,012	0
Deferred revenue	1,212,149	378,700	253,619
Total current liabilities	9,827,058	5,657,193	4,166,949
Long-term liabilities
Deferred revenue	0	2,115,805	2,306,527
License fees payable, net of current portion	2,700,000	0	0
Total liabilities	12,527,058	7,772,998	6,473,476
Stockholders' equity
Common stock; par value $0.001; 200,000,000 shares authorized; 3,845,361, 2,535,766 and 2,026,608 shares issued and outstanding at December 31, 2018, 2017, and July 31, 2017, respectively.	3,846	2,536	2,026
Additional paid-in capital	91,276,086	66,223,066	58,937,112
Accumulated deficit	(74,420,666)	(53,225,350)	(54,604,729)
Total stockholders' equity	16,859,266	13,000,252	4,334,409
Total liabilities and stockholders' equity	$ 29,386,324	$ 20,773,250	$ 10,807,885