Consolidated Balance Sheets (Parentheticals) - USD ($)	Jun. 30, 2021	Dec. 31, 2020
Consolidated Balance Sheets
Accumulated depreciation	$ 161,037	$ 154,769
Debt discount, noncurrent	$ 164,787	$ 140,261
Preferred stock, shares authorized	350,000	350,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value (per share)	$ 0.001	$ 0.001
Common stock, shares authorized	75,000,000	75,000,000
Common stock, shares issued	40,078,760	30,643,656
Common stock, shares outstanding	40,078,760	30,643,656