Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Mar. 31, 2022	Dec. 31, 2021
Stockholders' equity
Common stock, shares par value	$ 0.001	$ 0.001
Common stock, shares authorized	150,000,000	150,000,000
Common stock, shares issued	69,866,900	68,201,900
Common stock, shares outstanding	69,866,900	68,201,900