Consolidated Balance Sheets (Unaudited) (Parentheticals) - $ / shares	Jun. 30, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred stock, par value (in dollars per share)	$ 0.00001	$ 0.00001
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, shares authorized (in shares)	350,000,000	350,000,000
Common stock, par value (in dollars per share)	$ 0.00001	$ 0.00001
Common stock, shares issued (in shares)	15,000,673	14,912,178
Common stock, shares outstanding (in shares)	15,000,673	14,912,178