Shareholders' Equity (Narrative) (Details) (USD $)	12 Months Ended						0 Months Ended				12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013 Employee Stock [Member]	Dec. 31, 2002 Employee Stock [Member]	Apr. 30, 1999 Employee Stock [Member]	Jun. 30, 2013 2007 Stock Option Plan [Member]	Oct. 30, 2012 Stock Option Grants To Certain Employees [Member]	May 17, 2011 Stock Option Grants To Certain Employees [Member] customers	Oct. 30, 2012 Stock Option Grants To Certain Employees [Member] Vesting Immediately [Member]	Oct. 30, 2012 Stock Option Grants To Certain Employees [Member] Vesting Each Anniversary [Member]	Jun. 30, 2013 Series A Preferred Stock [Member]	Jun. 30, 2012 Series A Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares authorized	5,000,000	5,000,000									5,000,000
Preferred stock, par value	$ 0.01	$ 0.01									$ 0.01
Common stock market price threshold to trigger a mandatory preferred stock conversion											$ 3.00
Number of consecutive trading days threshold must be reached that is required to trigger conversion event											90 days
Preferred stock, liquidation preference per share											$ 0.586
Aggregate liquidation preference											$ 2,799,000	$ 2,540,000
Preferred stock, cumulative cash dividends rate											10.00%
Preferred stock, cumulative amount of preferred dividends in arrears											1,206,000	947,000
Preferred stock, per share amounts of preferred dividends in arrears											$ 0.35
Common stock, shares authorized	40,000,000	40,000,000		500,000	200,000
Maximum employee withholding percent for stock plan			15.00%
Percent of fair market value used to determine stock purchase price			85.00%
Number of shares authorized						2,000,000
Shares available for future issuance			155,959
Shares available for issuance						758,474
Options granted in period							245,000	30,000
Stock options granted, exercise price	$ 0.35						$ 0.35	$ 0.30
Vesting rate									25.00%	25.00%
Option value	$ 0.12
Number of new wireless customers required to trigger option vesting event								150
Dividend yield	0.00%
Total compensation costs related to non-vested awards not yet recognized	$ 18,805
Warrants issued and outstanding	394,922
Exercise price	0.38