Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended				9 Months Ended
	Mar. 31, 2022	Sep. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statements of Operations
Revenue	$ 172,217		$ 122,133
Revenue, type		Service		Service	Service	Service
Cost of services	139,268		93,226
Cost of services, type		Service		Service	Service	Service
Gross profit	32,949		28,907
Operating expenses:
Sales and marketing	10,015		4,014
General and administrative	22,992		13,086
Total operating expenses	33,007		17,100
Income (loss) from operations	(58)		11,807
Other income (expense):
Other income (expense), net	(96)		7
Interest income (expense), net	12		(18)
Total other expense, net	(84)		(11)
Income (loss) before income taxes	(142)		11,796
Benefit for income taxes	5,113		3,370
Net income	$ 4,971		$ 15,166
Net income per share:
Basic (in dollars per share)	$ 0.05		$ 0.17
Diluted (in dollars per share)	$ 0.05		$ 0.15
Weighted-average shares used in computing net income per share:
Basic (in shares)	91,410,368		87,404,287
Diluted (in shares)	99,935,735		100,106,497