Expenses by nature

12 Months Ended

Dec. 31, 2020

Expenses by nature

Expenses by nature

23.         Expenses by nature:

The components of the Company’s other regional and center support costs include the following:

	December 31,		December 31,
	2020		2019
Salaries and bonuses	$	9,798,901	$	7,122,556
Marketing expenses		6,446,798		2,705,891
Total	$	16,245,699	$	9,828,447

The components of the Company’s corporate, general and administrative expenses include the following:

	December 31,		December 31,
	2020		2019
Salaries and bonuses	$	10,195,949	$	7,063,682
Bad debt expense		—		2,894,989
Marketing expenses		1,030,196		1,934,227
Professional and legal fees		2,603,597		2,336,835
Computer supplies and software		859,100		629,176
Transaction costs		—		385,674
Travel, meals and entertainment		165,217		404,893
Other		291,302		721,870
Total	$	15,145,361	$	16,371,346

Bad debt expense relates to the write off of accounts receivable that were identified during the migration to a scalable billing and reimbursement platform completed during the year ended December 31, 2019.