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SUPPLEMENTAL BALANCE SHEET INFORMATION

6 Months Ended

Mar. 31, 2022

8. SUPPLEMENTAL BALANCE SHEET INFORMATION

Trade receivables and contract assets, net consisted of the following:


	March 31,		September 30,
	2022		2021
Trade receivables	$	78,461	$	22,838
Unbilled revenue		12,693		6,194
Total		91,154		29,032
Less: Allowance for doubtful accounts		(4,698)		(668)
Trade receivables and contract assets, net of allowances for doubtful accounts	$	86,456	$	28,364

Inventories, net consisted of the following:

Prepaid expenses and other current assets consisted of the following:


	March 31,		September 30,
	2022		2021
Advances to suppliers	$	22,107	$	—
Income tax receivable		2,639		—
Prepaid research models		396		1,931
Other		9,741		1,198
Prepaid expenses and other current assets	$	34,883	$	3,129

The composition of other assets is as follows:


	March 31,		September 30,
	2022		2021
Long-term advances to suppliers	$	1,644	$	—
Security deposits and guarantees		860		51
Finance lease right-of-use assets, net		57		60
Debt issuance costs		2,660		—
Other		625		230
Other assets	$	5,846	$	341

Accrued expenses consisted of the following:


	March 31,		September 30,
	2022		2021
Accrued compensation	$	13,428	$	3,528
Non-income taxes		2,227		18
Accrued interest		3,095		169
Current portion of long-term finance lease		23		24
Other		160		167
Current portion of contingent liability		—		175
Consideration payable		1,757		4,887
Accrued expenses and other liabilities	$	20,690	$	8,968

The composition of fees invoiced in advance is as follows:

Other liabilities consisted of the following:


	March 31,		September 30,
	2022		2021
Long-term customer deposits	$	871	$	—
Accrued pension liability		286		—
Long-term finance leases		37		39
Long-term portion of contingent liability		473		473
Other		246		—
Other liabilities	$	1,913	$	512