Description of the business: Basic and diluted net income per common share (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Diluted weighted average shares
Weighted-average number of common shares-basic	47,137,822	46,691,142	47,142,074	46,705,088
Weighted average common shares-diluted	47,526,207	47,029,446	47,508,334	47,050,911
Stock options
Diluted weighted average shares
Dilutive effect	16,147	17,686	16,223	19,498
Anti-dilutive effects
Anti-dilutive	107,898	98,682	104,468	92,060
Restricted stock
Diluted weighted average shares
Dilutive effect	372,238	320,618	350,037	326,325
Anti-dilutive effects
Unvested shares of restricted common stock	1,476,049	1,326,873	1,476,049	1,326,873
Anti-dilutive	104,086	459,641	153,978	465,420