Share-based Compensation (Details) (USD $)	6 Months Ended				12 Months Ended	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended	12 Months Ended	3 Months Ended			6 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Stock Options [Member]	Sep. 30, 2013 Stock Options [Member]	Mar. 31, 2014 Stock Options [Member]	Sep. 30, 2014 Stock Options [Member] Executive Employees and Directors [Member]	Sep. 30, 2014 Stock Options [Member] Non-Executive Employees [Member]	Sep. 30, 2014 Restricted Stock [Member]	Sep. 30, 2014 Restricted Stock [Member]	Mar. 31, 2014 Restricted Stock [Member]	Sep. 30, 2014 Restricted Stock [Member] Minimum [Member]	Sep. 30, 2014 Restricted Stock [Member] Maximum [Member]	Sep. 30, 2014 2006 Amended Stock and Incentive Plan [Member] Plan	Sep. 30, 2014 2006 Amended Stock and Incentive Plan [Member] Stock Options [Member]	Sep. 30, 2014 2006 Amended Stock and Incentive Plan [Member] Stock Options [Member] Minimum [Member]	Sep. 30, 2014 2006 Amended Stock and Incentive Plan [Member] Stock Options [Member] Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of active plans for share-based compensation grants													1
Number of shares reserved for share-based grants (in shares)													3,450,000
Shares available for grant (in shares)													360,531
Term of share-based payment award											3 years	4 years			5 years	7 years
Vesting period														3 years
Share-based compensation expense	$ 661,000	$ 921,000
Weighted-average assumptions used to value the options granted [Abstract]
Expected life in years			2 years 9 months 22 days	4 years 6 months 4 days
Risk free interest rate (in hundredths)			1.00%	1.35%
Expected volatility (in hundredths)			66.41%	89.43%
Expected dividend yield (in hundredths)			0.00%	0.00%
Weighted-average grant date fair value (in dollars per share)			$ 1.21	$ 1.65
Forfeiture rate (in hundredths)						0.00%	18.00%
Stock options, number of shares [Roll Forward]
Outstanding, beginning of period (in shares)			2,328,043
Options granted (in shares)			131,300
Options exercised (in shares)			(85,000)
Options surrendered (in shares)			(163,018)
Outstanding, end of period (in shares)			2,211,325		2,328,043
Exercisable, end of period (in shares)			1,402,997
Stock options, weighted average exercise price [Roll Forward]
Outstanding, beginning of period (in dollars per share)			$ 3.39
Options granted (in dollars per share)			$ 2.98
Options exercised (in dollars per share)			$ 0.80
Options surrendered (in dollars per share)			$ 5.02
Outstanding, end of period (in dollars per share)			$ 3.34		$ 3.39
Exercisable, end of period (in dollars per share)			$ 3.74
Stock options, additional disclosures [Abstract]
Outstanding, weighted average remaining life in years			3 years 9 months		3 years 10 months 6 days
Exercisable, Weighted average remaining life in years			2 years 6 months
Outstanding, aggregate intrinsic value, end of period			117,780		1,781,415
Exercisable, aggregate intrinsic value, end of period			39,994
Fair value of stock options vested			620,000	315,000
Restricted shares, number of shares [Roll Forward]
Balance, beginning of period (in shares)									146,262
Shares granted (in shares)									405,625
Shares vested (in shares)									(50,436)
Shares forfeited (in shares)									(9,212)
Balance, end of period (in shares)								492,239	492,239	146,262
Restricted shares, weighted average grant date fair value [Roll Forward]
Balance, beginning of period (in dollars per share)									$ 3.38
Shares granted (in dollars per share)									$ 3.25
Shares vested (in dollars per share)									$ 3.57
Shares forfeited (in dollars per share)									$ 3.94
Balance, end of period (in dollars per share)								$ 3.24	$ 3.24	$ 3.38
Restricted shares, additional disclosures [Abstract]
Weighted average remaining life in years									2 years 2 months 12 days	2 years 2 months 23 days
Outstanding, Aggregate intrinsic value								1,230,598	1,230,598	540,000
Unrecognized share-based compensation expense			$ 1,161,000					$ 1,353,000	$ 1,353,000
Unrecognized compensation expense, weighted average period of recognition			1 year 10 months 24 days					2 years 2 months 12 days