Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.21.1
Consolidated Balance Sheets (Parenthetical) - $ / shares
Dec. 31, 2020
Dec. 31, 2019
Statement of Financial Position [Abstract]    
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares issued 4,718,714 4,701,552
Common stock, shares outstanding 4,718,714 4,701,552