Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012	Mar. 31, 2011
Revenues:
Product	$ 9,996	$ 11,787	$ 26,814	$ 32,861
Service	6,295	6,522	18,775	18,846
Total revenues	16,291	18,309	45,589	51,707
Cost of sales:
Product	3,329	4,330	10,668	13,885
Service	2,950	3,027	8,630	8,881
Total cost of sales	6,279	7,357	19,298	22,766
Gross margin	10,012	10,952	26,291	28,941
Operating expenses:
Sales and marketing	3,993	4,410	12,591	12,716
Research and development	3,446	3,819	10,372	10,676
General and administrative	1,841	2,165	5,561	6,450
Total operating expenses	9,280	10,394	28,524	29,842
Operating income (loss)	732	558	(2,233)	(901)
Interest income	6	35	101	79
Interest expense	(21)	(17)	(56)	(55)
Other (expense) income, net	(249)	61	(476)	37
Income (loss) before income taxes	468	637	(2,664)	(840)
Provision for income taxes	131	139	432	1,062
Net income (loss)	$ 337	$ 498	$ (3,096)	$ (1,902)
Net income (loss) per share
Basic	$ 0.04	$ 0.06	$ (0.36)	$ (0.23)
Diluted	$ 0.04	$ 0.06	$ (0.36)	$ (0.23)
Weighted average shares outstanding - basic	8,644	8,423	8,584	8,400
Weighted average shares outstanding - diluted	8,751	8,603	8,584	8,400