Equity Awards and Private Placement Investment (Details Textual) (USD $)	1 Months Ended			9 Months Ended
	Oct. 31, 2012	Aug. 31, 2012	Jun. 30, 2012	Oct. 31, 2012	Oct. 31, 2011	Nov. 19, 2012	Oct. 19, 2012	Aug. 16, 2012	Jan. 31, 2012
Equity Awards (Textual) [Abstract]
Allocated Share-based Compensation Expense					$ 48,000
Granted restricted shares of common stock				137,325	110,412
Weighted average fair value with restriction period lapse					$ 1.92
Convertible note face amount								3,877,000
New issuance of series A convertible preferred stock								2,416,785
Conversion share price								$ 3.00
Exercise price	3.99	4.07		3.99		4.06		3.99
Weighted average exercise price				$ 3.08	$ 1.90
Fair value Allocation discount to the preferred shares								1,020,000
Warrants issued	200,000
Warrants grant date fair value							754,000
Maximum Warrants exercisable period				5 years
Equity Awards (Additional Textual) [Abstract]
Common shares issued for convertible note and accrued interest		1,583,220	1,529,729
Placement and other advisor fees		1,894,000
Cost of warrants issued		754,000
Deferred financing cost, net	1,211,912			1,211,912				611,000	145,857
Issuance of common stock warrants		263,000		2,441,852
Initial issuance price								$ 3.00
Net of transaction costs, allocated to the warrants		1,425,000
Warrants fair value disclosure	4,139,000			4,139,000
Equity investment with Great Point Partners, LLC, and Noro-Moseley Partners								12,000,000
Warrants exercisable								1,200,000
Granted options				762,500	1,104,000
Options expired				258,271	127,916
Average exercise price				$ 1.87	$ 1.88
Options exercised under all plans				43,999	32,958
Granted restricted shares weighted average fair value				$ 2.01	$ 1.68
Granted restricted shares with restriction period lapse					223,090
Restriction period				1 year
Authorized common stock	25,000,000			25,000,000					25,000,000
Common stock, par value	$ 0.01			$ 0.01					$ 0.01
Common stock, shares issued	12,582,598			12,582,598					12,582,598
Common stock, shares outstanding	10,433,716			10,433,716					10,433,716
2005 Incentive Stock Option Plan [Member]
Equity Awards (Textual) [Abstract]
Additional shares				500,000
Convertible subordinated notes payable [Member]
Equity Awards (Textual) [Abstract]
Convertible note face amount								5,699,577
Restricted Stock Executive Inducement Grants [Member]
Equity Awards (Textual) [Abstract]
Granted restricted shares of common stock					25,000
Weighted average fair value with restriction period lapse					$ 1.91
Series A Preferred Stock [Member]
Equity Awards (Textual) [Abstract]
Percentage of redeemable convertible preferred stock		0.00%
New issuance of series A convertible preferred stock								2,416,785
Preferred Stock price per share								$ 3.00
Conversion share price	$ 8.00			$ 8.00
Average daily trading volume for period				100,000
Fair value Allocation discount to the preferred shares	4,410,000			4,410,000
Recorded beneficial conversion feature amount				2,686,000
Amortization of deemed dividends in additional paid in capital				$ 139,000
Preferred stock dividend rate		0.00%