Leases (Tables)

6 Months Ended

Mar. 31, 2021

Leases [Abstract]

Summary of Maturities of Operating Lease Liabilities

Maturities of the operating lease liabilities as of March 31, 2021 were as follows: (in thousands):    

For fiscal years ending September 30,
2021 (remainder)	$	120
2022		262
2023		270
2024		278
2025		186
Thereafter		356
Future minimum lease payments		1,472
Less interest		138
Present value of minimum lease payments		1,334
Less current portion		199
Long-term portion	$	1,135

Summary of Lease Costs

Lease costs recognized in the consolidated statements of operations for the three and six months ended March 31, 2021 and 2020 is as follows (in thousands):

	Three Months Ended				Six Months Ended
	March 31, 2021		March 31, 2020		March 31, 2021		March 31, 2020
Right-of-use operating lease costs	$	73	$	38	$	111	$	75
Short-term lease costs		66		75		140		151
Total	$	139	$	113	$	251	$	226

Summary of Other Information Related to Operating Leases

Other information related to operating leases is as follows (in thousands):

	Six Months Ended
	March 31, 2021			March 31, 2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	91		$	82
Operating lease assets obtained in exchange for new lease liabilities		1,336			—
Weighted average remaining lease term	6.0 years			1.0 year
Weighted average discount rate		3.25	%		5.00	%

Rental Equipment

Rental equipment consisted of the following (in thousands):

	March 31, 2021			September 30, 2020
Rental equipment, primarily wireless recording equipment	$	90,399		$	114,783
Accumulated depreciation and impairment		(52,017	)		(60,466	)
	$	38,382		$	54,317