CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenue:
Revenue	$ 13,463	$ 17,679	$ 48,060	$ 66,005
Revenue, Product and Service [Extensible List]	Product	Product	Product	Product
Rental	$ 7,228	$ 5,404	$ 15,322	$ 9,430
Total revenue	20,691	23,083	63,382	75,435
Cost of revenue:
Products	$ 12,460	$ 12,907	$ 37,310	$ 47,492
Revenue, Product and Service [Extensible List]	Product	Product	Product	Product
Rental	$ 4,580	$ 4,549	$ 13,909	$ 14,744
Total cost of revenue	17,040	17,456	51,219	62,236
Gross profit	3,651	5,627	12,163	13,199
Operating expenses:
Selling, general and administrative	6,373	5,243	18,108	16,075
Research and development	4,108	3,658	14,050	10,943
Change in estimated fair value of contingent consideration	(384)	(795)	(5,042)	(1,713)
Bad debt expense (recovery)	88	(40)	116	(32)
Total operating expenses	10,185	8,066	27,232	25,273
Loss from operations	(6,534)	(2,439)	(15,069)	(12,074)
Other income (expense):
Interest expense	(26)		(26)
Interest income	402	151	722	1,284
Gain (loss) on investments, net	(4)	1,727	(22)	1,996
Foreign exchange gains (losses), net	(341)	(49)	(230)	64
Other, net	(3)	(8)	(21)	(3)
Total other income, net	28	1,821	423	3,341
Loss before income taxes	(6,506)	(618)	(14,646)	(8,733)
Income tax expense	68	169	170	288
Net loss	$ (6,574)	$ (787)	$ (14,816)	$ (9,021)
Loss per common share:
Basic	$ (0.51)	$ (0.06)	$ (1.14)	$ (0.67)
Diluted	$ (0.51)	$ (0.06)	$ (1.14)	$ (0.67)
Weighted average common shares outstanding:
Basic	13,013,616	13,353,254	12,977,146	13,464,177
Diluted	13,013,616	13,353,254	12,977,146	13,464,177