Legal Matters (Details) (USD $)	1 Months Ended	3 Months Ended	1 Months Ended
	Jan. 31, 2015	Mar. 31, 2015	Jul. 31, 2014	Mar. 31, 2012	Nov. 30, 2011 item	Mar. 31, 2015	Oct. 31, 2013	Jun. 30, 2014
Subsequent event
Legal Matters
Claim settlement	$ 3,600,000
Subsequent event | General and administrative expenses
Legal Matters
Claim settlement		3,600,000
Claim from public transit authority customer
Legal Matters
Number of former employees alleged for loss of revenue due to inappropriate and illegal actions					1
Period prior to acquisition of contract during which a former employee was committing illegal acts					2 years
Amount of recoupment sought under claim for alleged lost revenue, fees and damages					4,500,000
Default judgment award amount				2,900,000
Estimated loss of revenue				2,900,000				2,600,000
Percentage of insurance proceeds			40.00%
Amount to be paid under settlement agreement excluding percentage of insurance proceeds received			2,600,000
Claim from public transit authority customer | Subsequent event
Legal Matters
Percentage of insurance proceeds						40.00%
Amount to be paid under settlement agreement excluding percentage of insurance proceeds received						700,000
Amount received from insurer						1,800,000
Settlement agreement paid to the plaintiff						4,000
Claim from public transit authority customer | Subsequent event | General and administrative expenses
Legal Matters
Claim settlement						1,100,000
Lawsuit filed in state court against the transit customers alleging conversion and unjust enrichment
Legal Matters
Amount charged on bank debit card for a ride on the transit system							$ 2.25