CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Revenue:
Total revenue	$ 14,931	$ 27,942	$ 28,068	$ 49,108
Cost of revenue:
Total cost of revenue	19,525	26,526	39,064	47,713
Gross profit (loss)	(4,594)	1,416	(10,996)	1,395
Operating expenses:
Selling, general and administrative expenses	5,617	5,953	11,191	11,822
Research and development expenses	3,510	3,691	7,115	6,992
Bad debt expense (recovery)	266	321	(623)	1,018
Total operating expenses	9,393	9,965	17,683	19,832
Loss from operations	(13,987)	(8,549)	(28,679)	(18,437)
Other income (expense):
Interest expense	(4)	(107)	(11)	(219)
Interest income	62	115	168	174
Foreign exchange gains	679	599	669	2,188
Other, net	(18)	(23)	(34)	(113)
Total other income, net	719	584	792	2,030
Loss before income taxes	(13,268)	(7,965)	(27,887)	(16,407)
Income tax benefit	(2,303)	(2,783)	(5,880)	(5,780)
Net loss	$ (10,965)	$ (5,182)	$ (22,007)	$ (10,627)
Loss per common share:
Basic	$ (0.84)	$ (0.40)	$ (1.69)	$ (0.82)
Diluted	$ (0.84)	$ (0.40)	$ (1.69)	$ (0.82)
Weighted average common shares outstanding:
Basic	13,049,696	13,002,616	13,037,069	12,990,129
Diluted	13,049,696	13,002,616	13,037,069	12,990,129
Products
Revenue:
Total revenue	$ 10,106	$ 24,833	$ 21,858	$ 43,296
Cost of revenue:
Total cost of revenue	14,914	21,402	30,358	40,015
Rental equipment
Revenue:
Total revenue	4,825	3,109	6,210	5,812
Cost of revenue:
Total cost of revenue	$ 4,611	$ 5,124	$ 8,706	$ 7,698