Summary of Significant Accounting Policies (Tables)

12 Months Ended

Jun. 30, 2012

Summary of Significant Accounting Policies [Abstract]

Reconciliation of the change in unrecognized tax benefits

Balance at July 1, 2010	$	30
Other		—
Balance at June 30, 2011		30
Other		7
Balance at June 30, 2012	$	37

Short-term investments

	Fair Value Hierarchy		June 30, 2011						June 30, 2012
			Cost		Unrealized Gain (Loss)		Estimated Fair Value		Cost		Unrealized Gain (Loss)		Estimated Fair  Value
Marketable securities:
Municipal bonds, U.S. government agencies and commercial paper		Level 2	$	30,213	$	13	$	30,226	$	31,596	$	13	$	31,609
				30,213	$	13	$	30,226	$	31,596	$	13	$	31,609

Amortized cost and estimated fair value of debt and marketable equity securities

	Cost		Estimated fair value
Due in one year or less	$	23,125	$	23,117
Due after one year through five years		8,479		8,484
	$	31,596	$	31,609

Stock Compensation Expense

Stock Compensation Expense	2010		2011		2012
Cost of service and other revenues	$	46	$	53	$	62
Sales and marketing		539		479		644
Research and development		252		254		375
General and administrative		917		879		835
Total	$	1,754	$	1,665	$	1,916

Estimated fair value of each option grant

	Employee Stock Options
	2010			2011			2012
Risk free interest rate		1.53	%		2.15	%		0.97	%
Volatility factor		.31			.27			.30
Weighted average expected life of options (in years)		4			4.75			4.75
Weighted average estimated grant date fair value	$	1.36		$	1.50		$	1.73

Restricted stock and restricted stock units

	2010		2011		2012
Restricted shares issued		223,000		200,000		539,000
Weighted average fair value of restricted shares	$	5.06	$	5.58	$	5.96
Restricted stock units issued		27,000		8,000		25,000