Note 14 - Employee 401(k) Plan	12 Months Ended
	Dec. 31, 2022
Retirement Benefits [Abstract]
Employee 401(k) Plan	Employee 401(k) PlanIn January 1991, the Company adopted an employee retirement plan (“401(k) Plan”) under Section 401(k) of the Internal Revenue Code covering all employees. Employee contributions may be made to the 401(k) Plan up to limits established by the Internal Revenue Service. Company matching contributions may be made at the discretion of the Board of Directors. The Company made matching contributions of $3,758, $2,834, and $1,569 in 2022, 2021, and 2020, respectively.