CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Revenue:
Total revenue	$ 14,644	$ 15,285
Cost of revenue:
Total cost of revenue	15,612	18,612
Gross profit (loss)	(968)	(3,327)
Operating expenses:
Selling, general and administrative	5,129	5,094
Research and development	3,158	3,372
Bad debt expense (recovery)	350	(482)
Total operating expenses	8,637	7,984
Loss from operations	(9,605)	(11,311)
Other income (expense):
Interest expense	(64)	(8)
Interest income	263	130
Foreign exchange losses, net	(43)	(65)
Other, net	(25)	(17)
Total other income, net	131	40
Loss before income taxes	(9,474)	(11,271)
Income tax expense	6	434
Net loss	$ (9,480)	$ (11,705)
Loss per common share:
Basic	$ (0.72)	$ (0.89)
Diluted	$ (0.72)	$ (0.89)
Weighted average common shares outstanding:
Basic	13,202,384	13,094,809
Diluted	13,202,384	13,094,809
Products
Revenue:
Total revenue	$ 13,425	$ 10,297
Cost of revenue:
Total cost of revenue	13,243	14,836
Rental equipment
Revenue:
Total revenue	1,219	4,988
Cost of revenue:
Total cost of revenue	$ 2,369	$ 3,776