Stockholders' Equity (Details) (USD $)	1 Months Ended		12 Months Ended
	Jun. 30, 2014	Jan. 30, 2014	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Common Stock [Abstract]
Common stock reserved for future issuance (in shares)	7,834,632		7,834,632
Common stock in public offering (in shares)	7,530,000	3,336,800
Warrants to purchase common stock (in shares)	2,259,000	1,668,400	2,259,000
Purchase price of common stock issued (in dollars per share)	$ 1.50	$ 2.00
Exercise price of warrants (in dollars per share)	$ 1.55	$ 2.81	$ 1.55
Net proceeds after expenses from offering	$ 10,100,000	$ 5,900,000	$ 16,004,000	$ 0	$ 0
Number of Shares [Roll Forward]
Exercisable at June 30 (in shares)	3,445,020		3,445,020	1,125,000	1,125,000
Weighted-Average Exercise Price Per Share [Roll Forward]
Exercisable at June 30 (in dollars per share)	$ 1.92		$ 1.92	$ 2.64	$ 2.64
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number Outstanding (in shares)	1,253,035		1,253,035
Number Exercisable (in shares)	614,296		614,296
$0.90-$1.13 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower Range (in dollars per share)			$ 0.90
Range of Exercise Prices, Upper Range (in dollars per share)			$ 1.13
Number Outstanding (in shares)	278,750		278,750
Weighted-Average Remaining Contractual Life			2 years 3 months 18 days
Weighted Average Exercise Price (in dollars per share)	$ 0.93		$ 0.93
Number Exercisable (in shares)	92,398		92,398
Weighted-Average Exercise Price (in dollars per share)	$ 0.93		$ 0.93
$1.37-$2.03 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower Range (in dollars per share)			$ 1.37
Range of Exercise Prices, Upper Range (in dollars per share)			$ 2.03
Number Outstanding (in shares)	216,250		216,250
Weighted-Average Remaining Contractual Life			2 years 3 months 18 days
Weighted Average Exercise Price (in dollars per share)	$ 1.83		$ 1.83
Number Exercisable (in shares)	136,459		136,459
Weighted-Average Exercise Price (in dollars per share)	$ 1.79		$ 1.79
$2.17-$3.03 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower Range (in dollars per share)			$ 2.17
Range of Exercise Prices, Upper Range (in dollars per share)			$ 3.03
Number Outstanding (in shares)	748,535		748,535
Weighted-Average Remaining Contractual Life			2 years 8 months 12 days
Weighted Average Exercise Price (in dollars per share)	$ 2.45		$ 2.45
Number Exercisable (in shares)	376,251		376,251
Weighted-Average Exercise Price (in dollars per share)	$ 2.69		$ 2.69
$3.82 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Upper Range (in dollars per share)			$ 3.82
Number Outstanding (in shares)	1,250		1,250
Weighted-Average Remaining Contractual Life			1 year 6 months
Weighted Average Exercise Price (in dollars per share)	$ 3.82		$ 3.82
Number Exercisable (in shares)	938		938
Weighted-Average Exercise Price (in dollars per share)	$ 3.82		$ 3.82
$14.32 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Upper Range (in dollars per share)			$ 14.32
Number Outstanding (in shares)	8,250		8,250
Weighted-Average Remaining Contractual Life			0 years 1 month 6 days
Weighted Average Exercise Price (in dollars per share)	$ 14.32		$ 14.32
Number Exercisable (in shares)	8,250		8,250
Weighted-Average Exercise Price (in dollars per share)	$ 14.32		$ 14.32
Warrants [Member]
Number of Shares [Roll Forward]
Beginning balance (in shares)			1,125,000	1,125,000	1,125,000
Warrants granted (in shares)			3,988,420	0	0
Warrants canceled (in shares)			0	0	0
Warrants exercised (in shares)			0	0	0
Outstanding at June 30 (in shares)	5,113,420		5,113,420	1,125,000	1,125,000
Weighted-Average Exercise Price Per Share [Roll Forward]
Beginning balance (in dollars per share)			$ 2.64	$ 2.64	$ 2.64
Warrants granted (in dollars per share)			$ 2.09	$ 0	$ 0
Warrants canceled (in dollars per share)			$ 0	$ 0	$ 0
Warrants exercised (in dollars per share)			$ 0	$ 0	$ 0
Outstanding at June 30 (in dollars per share)	$ 2.21		$ 2.21	$ 2.64	$ 2.64
Stock Options [Member]
Stock Compensation Expense [Abstract]
Total compensation cost net yet recognized	288,000		288,000
Weighted-average period for amortization of compensation cost			2 years
Total fair value of options vested			309,000	356,000	440,000
Number of Shares [Roll Forward]
Outstanding at June 30, 2013 (in shares)			1,063,750
Granted (in shares)			457,235
Forfeited (in shares)			(61,075)
Expired (in shares)			(197,500)
Exercised (in shares)			(9,375)
Outstanding at June 30, 2014 (in shares)	1,253,035		1,253,035	1,063,750
Vested and Expected to Vest at June 30, 2014 (in shares)	1,046,930		1,046,930
Exercisable at June 30, 2014 (in shares)	614,296		614,296
Weighted-Average Exercise Price Per Share [Roll Forward]
Balance at June 30, 2014 (in dollars per share)			$ 2.36
Granted (in dollars per share)			$ 2.06
Forfeited (in dollars per share)			$ 2.35
Expired (in dollars per share)			$ 3.42
Exercised (in dollars per share)			$ 2.32
Outstanding and exercisable at June 30, 2014 (in dollars per share)	$ 2.08		$ 2.08	$ 2.36
Vested and Expected to Vest at June 30, 2014 (in dollars per share)	$ 2.01		$ 2.01
Exercisable at June 30, 2014 (in dollars per share)	$ 2.39		$ 2.39
Weighted-Average Remaining Contractual Life [Abstract]
Outstanding at June 30, 2014			3 years
Vested and Expected to Vest at June 30, 2014			2 years
Exercisable at June 30, 2014			1 year
Aggregate Intrinsic Value [Abstract]
Outstanding at June 30, 2014	130		130
Vested and Expected to Vest at June 30, 2014	113		113
Exercisable at June 30, 2014	43		43
Weighted-Average Grant Date Fair Value [Abstract]
Aggregate intrinsic value of options exercised			4,000
Non-vested stock options [Member]
Number of Shares [Roll Forward]
Outstanding at June 30, 2013 (in shares)			514,474
Granted (in shares)			457,235
Vested (in shares)			(289,270)
Forfeited (in shares)			(43,700)
Outstanding at June 30, 2014 (in shares)	638,739		638,739	514,474
Weighted-Average Grant Date Fair Value [Abstract]
Outstanding at June 30, 2013 (in dollars per share)			$ 0.97
Granted (in dollars per share)			$ 1.15	$ 0.52	$ 1.17
Vested (in dollars per share)			$ 1.07
Forfeited (in dollars per share)			$ 1.43
Outstanding at June 30, 2014 (in dollars per share)	$ 1.02		$ 1.02	$ 0.97
Restricted Stock [Member]
Stock Compensation Expense [Abstract]
Total compensation cost net yet recognized				$ 1,208
Weighted-average period for amortization of compensation cost				3 years
Common Stock Restricted Awards [Abstract]
Common stock granted to officer (in shares)			692,968	50,000	720,000
Number of installments			3	3	3
Number of Shares [Roll Forward]
Balance at June 30 (in shares)			390,003	540,000	30,000
Granted (in shares)			692,968	50,000	720,000
Vested (in shares)			(191,672)	(174,997)	(10,000)
Forfeited (in shares)			(87,500)	(25,000)	(200,000)
Outstanding at June 30 (in shares)	803,799		803,799	390,003	540,000
Weighted-Average Grant Date Fair Value [Roll Forward]
Balance at June 30 (in dollars per share)			$ 1.81	$ 1.93	$ 2.25
Granted (in dollars per share)			$ 1.95	$ 0.91	$ 1.89
Vested (in dollars per share)			$ 1.86	$ 1.95	$ 2.25
Forfeited (in dollars per share)			$ 2.00	$ 1.70	$ 1.80
Outstanding at June 30 (in dollars per share)	$ 1.90		$ 1.90	$ 1.81	$ 1.93
Number of shares withheld to pay income tax withholding (in shares)			57,680	59,054
1998 Stock Option Plan [Member]
Stock Options [Abstract]
Shares approved for issuance (in shares)	500,000		500,000
Options prices in terms of fair market value (in hundredths)			100.00%
1998 Stock Option Plan [Member] | Maximum [Member]
Stock Options [Abstract]
Options expiry period			10 years
2002 Independent Directors Equity Incentive Plan [Member]
Stock Options [Abstract]
Shares approved for issuance (in shares)	87,500		87,500
Options prices in terms of fair market value (in hundredths)			100.00%
2002 Independent Directors Equity Incentive Plan [Member] | Maximum [Member]
Stock Options [Abstract]
Options expiry period			10 years
2006 Equity Incentive Plan [Member]
Stock Options [Abstract]
Shares approved for issuance (in shares)	2,804,819		2,804,819
Shares authorized to be issued in terms of outstanding shares (in hundredths)			6.00%