Commitments and Contingencies (Details) (USD $)	6 Months Ended
	Dec. 31, 2013	Jun. 30, 2010
License and Escrow Agreement [Abstract]
Minimum cash balance and short-term investments	$ 2,000,000	$ 6,000,000
Warranty [Abstract]
Period of warranty on products, minimum	1 year
Period of warranty on products, maximum	2 years
Schedule of changes in product liability included in accrued liabilities [Roll Forward]
Balance at July 1, 2013	489,000
Warranties issued during the period	90,000
Settlements made during the period	(75,000)
Changes in liability for pre-existing warranties during the period	(142,000)
Balance at December 31, 2013	$ 362,000