CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenue:
Total revenue	$ 21,270	$ 14,195	$ 55,161	$ 50,038
Cost of revenue:
Total cost of revenue	16,593	19,307	49,453	61,035
Gross profit (loss)	4,677	(5,112)	5,708	(10,997)
Operating expenses:
Selling, general and administrative	4,551	4,972	14,465	15,092
Research and development	2,537	3,674	8,125	10,458
Bad debt expense (recovery)	2,725	16	3,081	(402)
Total operating expenses	9,813	8,662	25,671	25,148
Loss from operations	(5,136)	(13,774)	(19,963)	(36,145)
Other income (expense):
Interest expense	(94)	(8)	(285)	(24)
Interest income	257	185	799	453
Foreign exchange gains (losses), net	264	(120)	(85)	(401)
Other, net	(34)	(11)	(88)	(44)
Total other expense, net	393	46	341	(16)
Loss before income taxes	(4,743)	(13,728)	(19,622)	(36,161)
Income tax expense (benefit)	53	648	(617)	1,423
Net loss	$ (4,796)	$ (14,376)	$ (19,005)	$ (37,584)
Loss per common share:
Basic	$ (0.36)	$ (1.09)	$ (1.43)	$ (2.86)
Diluted	$ (0.36)	$ (1.09)	$ (1.43)	$ (2.86)
Weighted average common shares outstanding:
Basic	13,266,316	13,147,016	13,244,242	13,129,196
Diluted	13,266,316	13,147,016	13,244,242	13,129,196
Products
Revenue:
Total revenue	$ 13,417	$ 12,888	$ 40,886	$ 37,960
Cost of revenue:
Total cost of revenue	13,011	15,489	40,459	49,124
Rental equipment
Revenue:
Total revenue	7,853	1,307	14,275	12,078
Cost of revenue:
Total cost of revenue	$ 3,582	$ 3,818	$ 8,994	$ 11,911