Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parentheticals)

v3.20.4
Consolidated Balance Sheets (Parentheticals) - $ / shares
Dec. 31, 2020
Dec. 31, 2019
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 100,000,000 100,000,000
Common stock, shares issued (in shares) 64,461,065 57,997,780
Common stock, shares outstanding (in shares) 64,461,065 57,997,780