Capital Stock (Details) - USD ($)	1 Months Ended	3 Months Ended
	May 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Class of Stock [Line Items]
Stock options exercised (in shares)		77,600	118,437
Weighted average exercise price of stock options exercised (in dollars per share)		$ 2.33	$ 10.33
Proceeds from exercises of stock options		$ 181,000	$ 1,223,000
Piper Sandler & Co
Class of Stock [Line Items]
Sale of stock, period	3 years
Sale of stock, value of shares for issuance		$ 50,000,000
Sale of stock, commissions, percentage of gross sales price	3.00%
Issuance of common stock, net of issuance costs (in shares)		0
Piper Sandler & Co | Maximum
Class of Stock [Line Items]
Sale of stock, value of shares for issuance	$ 50,000,000
Sale of stock, commissions and reimbursements, percentage of gross sales price	8.00%