Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016		Sep. 30, 2015
Revenue:
Hardware product	$ 166,480	$ 196,101		$ 195,497
Services and solutions	15,154	6,904		8,350
Total revenue	181,634	203,005		203,847
Cost of sales:
Cost of hardware product	85,369	97,776		99,842
Cost of services and solutions	7,647	4,662		5,571
Amortization	1,444	887		1,313
Total cost of sales	94,460	103,325		106,726
Gross profit	87,174	99,680		97,121
Operating expenses:
Sales and marketing	33,955	33,847		37,574
Research and development	28,566	30,955		29,949
General and administrative	13,331	17,026		18,306
Restructuring charges, net	2,515	747		403
Total operating expenses	78,367	82,575		86,232
Operating income	8,807	17,105		10,889
Other income (expense), net:
Interest income	656	545		218
Interest expense	(48)	(291)		(4)
Other income (expense), net	76	(669)		2,014
Total other income (expense), net	684	(415)		2,228
Income from continuing operations, before income taxes	9,491	16,690		13,117
Income tax provision	125	3,212		3,684
Income from continuing operations	9,366	13,478		9,433
Income (loss) from discontinued operations, after income taxes	0	3,230		(2,845)
Net income	$ 9,366	$ 16,708		$ 6,588
Basic net income (loss) per common share:
Continuing operations	$ 0.35	$ 0.52		$ 0.38
Discontinued operations	0.00	0.13		(0.12)
Net income (1)	0.35	0.65		0.27	[1]
Diluted net income (loss) per common share:
Continuing operations	0.35	0.51		0.37
Discontinued operations	0.00	0.12		(0.11)
Net income (1)	$ 0.35	$ 0.64	[1]	$ 0.26
Weighted average common shares:
Basic (shares)	26,432	25,760		24,645
Diluted (shares)	27,099	26,311		25,227

[1] Earnings per share presented are calculated by line item and may not add due to the use of rounded amounts.