Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended			9 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	[1]	Jun. 30, 2019	Jun. 30, 2018	[1]
Revenue:
Total Revenue	$ 61,166	$ 62,272		$ 189,243	$ 161,775
Cost of sales:
Amortization of intangibles	719	741		2,184	2,118
Total cost of sales	32,838	32,624		100,803	83,334
Gross profit	28,328	29,648		88,440	78,441
Operating expenses:
Sales and marketing	11,392	11,595		34,583	32,530
Research and development	8,584	8,205		27,671	24,573
General and administrative	6,751	7,234		18,309	19,905
Restructuring (reversal) charge	(20)	190		(87)	190
Total operating expenses	26,707	27,224		80,476	77,198
Operating income (loss)	1,621	2,424		7,964	1,243
Other income, net:
Interest income	205	97		557	343
Interest expense	0	(5)		(94)	(12)
Other (expense) income, net	(174)	535		131	(37)
Total other income, net	31	627		594	294
Income before income taxes	1,652	3,051		8,558	1,537
Income tax expense	4	147		886	3,246
Net income (loss)	$ 1,648	$ 2,904		$ 7,672	$ (1,709)
Basic net income (loss) per common share:
Net income (loss), basic (USD per share)	$ 0.06	$ 0.11		$ 0.28	$ (0.06)
Diluted net income (loss) per common share
Net income (loss), diluted (USD per share)	$ 0.06	$ 0.10		$ 0.27	$ (0.06)
Weighted average common shares:
Basic (shares)	28,072	27,177		27,816	27,002
Diluted (shares)	28,589	27,764		28,414	27,002
Product
Revenue:
Revenue	$ 47,136	$ 51,691		$ 150,045	$ 137,733
Cost of sales:
Cost of sales excluding amortization	25,982	26,639		80,291	68,929
Services and Solutions
Revenue:
Revenue	14,030	10,581		39,198	24,042
Cost of sales:
Cost of sales excluding amortization	$ 6,137	$ 5,244		$ 18,328	$ 12,287

[1] Prior period information has been restated for the adoption of ASU No. 2014-09, “Revenue from Contracts with Customers (Topic 606),” which we adopted on October 1, 2018.