Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Revenue:
Hardware product	$ 48,247	$ 44,933
Service	2,012	2,285
Total revenue	50,259	47,218
Cost of sales:
Cost of hardware product	24,710	23,112
Cost of service	1,192	1,549
Total cost of sales	25,902	24,661
Gross profit	24,357	22,557
Operating expenses:
Sales and marketing	8,518	10,235
Research and development	7,838	7,083
General and administrative	4,061	4,775
Restructuring charge	651	0
Total operating expenses	21,068	22,093
Operating income	3,289	464
Other income, net:
Interest income, net	100	38
Other income, net	123	388
Total other income, net	223	426
Income from continuing operations, before income taxes	3,512	890
Income tax provision (benefit)	381	(128)
Income continuing operations	3,131	1,018
Income (loss) from discontinued operations, after income taxes	3,319	(1,357)
Net income (loss)	$ 6,450	$ (339)
Basic net income (loss) per common share:
Continuing operations, basic (USD per share)	$ 0.12	$ 0.04
Discontinued operations, basic (USD per share)	0.13	(0.06)
Total, basic (USD per share)	0.25	(0.01)
Diluted net income (loss) per common share
Continuing operations, diluted (USD per share)	0.12	0.04
Discontinued operations, diluted (USD per share)	0.13	(0.06)
Total, diluted (USD per share)	$ 0.25	$ (0.01)
Weighted average common shares:
Basic (shares)	25,331	24,150
Diluted (shares)	26,171	24,462