Summary of Significant Accounting Policies (Details) (USD $)	3 Months Ended								12 Months Ended
	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Summary of Significant Accounting Policies [Abstract]
Losses on foreign currency transactions									$ (257,000)	$ (348,000)	$ (116,000)
Summary Of Significant Accounting Policies [Line Items]
Number of days in delivery period following sale of system									90 days
Antidilutive securities excluded from earnings per share (in shares)									111,000	232,000	502,000
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net income (loss)	15,600,000	1,082,000	1,089,000	734,000	2,313,000	937,000	673,000	325,000	18,505,000	4,248,000	(2,887,000)
Basic weighted average number of shares outstanding (in shares)									8,911,000	8,736,000	8,602,000
Diluted weighted average number of shares outstanding (in shares)									9,086,000	8,910,000	8,602,000
Basic EPS (in dollars per share)	$ 1.75	$ 0.12	$ 0.12	$ 0.08	$ 0.26	$ 0.11	$ 0.08	$ 0.04	$ 2.08	$ 0.49	$ (0.34)
Diluted EPS (in dollars per share)	$ 1.72	$ 0.12	$ 0.12	$ 0.08	$ 0.26	$ 0.11	$ 0.08	$ 0.04	$ 2.04	$ 0.48	$ (0.34)
Fair Value By Asset Class [Line Items]
Cash and cash equivalents	28,074,000				27,927,000				28,074,000	27,927,000	29,613,000	27,814,000
Total compensation costs related to unvested options and restricted stock not yet expensed	668,762								668,762
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition									1 year 6 months
Recurring Basis [Member]
Fair Value By Asset Class [Line Items]
Cash	18,037,000				17,895,000				18,037,000	17,895,000
Money market funds	10,037,000				10,032,000				10,037,000	10,032,000
Cash and cash equivalents	28,074,000				27,927,000				28,074,000	27,927,000
Recurring Basis [Member] | Quoted Prices in Active Markets (Level 1) [Member]
Fair Value By Asset Class [Line Items]
Cash	18,037,000				17,895,000				18,037,000	17,895,000
Money market funds	10,037,000				10,032,000				10,037,000	10,032,000
Cash and cash equivalents	28,074,000				27,927,000				28,074,000	27,927,000
Recurring Basis [Member] | Observable Inputs (Level 2) [Member]
Fair Value By Asset Class [Line Items]
Cash	0				0				0	0
Money market funds	0				0				0	0
Cash and cash equivalents	0				0				0	0
Recurring Basis [Member] | Unobservable Inputs (Level 3) [Member]
Fair Value By Asset Class [Line Items]
Cash	0				0				0	0
Money market funds	0				0				0	0
Cash and cash equivalents	0				0				0	0
Employee Stock Option [Member]
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Effect of dilutive securities (in shares)									14,000	0	0
Restricted Stock [Member]
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Effect of dilutive securities (in shares)									161,000	174,000	0
Fair Value By Asset Class [Line Items]
Total compensation costs related to unvested options and restricted stock not yet expensed	$ 668,762								$ 668,762
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition									1 year 6 months
Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Useful lives of assets									1 year
Maintenance Period									1 year
Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Useful lives of assets									5 years
Maintenance Period									3 years