Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parentheticals)

v3.22.1
Consolidated Balance Sheets (Parentheticals) - $ / shares
Dec. 31, 2021
Dec. 31, 2020
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 300,000,000 300,000,000
Common stock, shares issued (in shares) 30,279,922 27,149,691
Common stock, shares outstanding (in shares) 30,279,922 27,149,691
Common stock subscription, shares authorized (in shares) 0 995,000
Non-Series Preferred Stock [Member]    
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, shares authorized (in shares) 5,000,000 5,000,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0
Series D Preferred Stock [Member]    
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, shares authorized (in shares) 150,000 150,000
Preferred stock, shares issued (in shares) 22,077 0
Preferred stock, shares outstanding (in shares) 22,077 0
Preferred stock subscriptions, subscribed (in shares) 0 103,000
Series E Preferred Stock [Member]    
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, shares authorized (in shares) 50,000 50,000
Preferred stock, shares outstanding (in shares) 50,000 0