Condensed Balance Sheets - USD ($)	Jun. 30, 2020	Dec. 31, 2019
Current assets
Cash and cash equivalents	$ 377,594	$ 639,916
Prepaid expenses and other current assets	23,598	41,639
Total current assets	401,192	681,555
Operating lease right-of-use asset	85,668	24,453
Other assets	5,752	5,752
Total assets	492,612	711,760
Current liabilities
Accounts payable	26,064	43,678
Unearned revenue	76,761	76,761
Accrued expenses	131,312	95,020
Promissory note	24,622	0
Current portion of operating lease liability	36,836	27,014
Total current liabilities	295,595	242,473
Long-term liabilities
Unearned revenue	2,062,945	2,101,325
Promissory note	30,778	0
Operating lease liability	49,215	0
Convertible promissory notes, net	778,898	708,070
Total liabilities	3,217,431	3,051,868
Commitments and contingencies	0	0
Stockholders' deficit
Preferred stock, $.001 par value per share, 1,000,000 shares authorized; no shares issued	0	0
Common stock, par value $.001 per share, 200,000,000 shares authorized, 133,441,778 and 131,506,494 issued and outstanding	133,442	131,507
Additional paid-in capital	105,333,223	104,896,975
Accumulated deficit	(108,191,484)	(107,368,590)
Total stockholders' deficit	(2,724,819)	(2,340,108)
Total liabilities and stockholders' deficit	$ 492,612	$ 711,760