Condensed Consolidated Statements of Changes in Stockholders' Equity (USD $)	Total	Common stock [Member]	Additional paid-in capital	Accumulated (deficit)
Stockholders' Equity, Beginning Balance at Jan. 31, 2012	$ 7,998,524	$ 104,338	$ 38,360,980	$ (30,466,794)
Stockholders' Equity, Beginning Balance,Shares at Jan. 31, 2012	12,582,598	10,433,716
Statement of Changes in stockholders' equity
Stock issued to Employee Stock Purchase Plan and exercise of stock options,Shares		88,742
Stock issued to Employee Stock Purchase Plan and exercise of stock options	161,807	887	160,920
Restricted stock issued		1,373	(1,373)
Restricted stock issued ,Shares		137,325
Conversion of note payable, Interpoint	3,116,182	15,297	3,100,885
Conversion of note payable, Interpoint,Shares		1,529,729
Stock consideration for acquisition	1,501,609	3,931	1,497,678
Stock consideration for acquisition ,Shares		393,086
Issuance of common stock warrants	2,441,852		2,441,852
Issuance cost	(263,072)		(263,072)
Reclassification of common stock warrant to liability	(4,138,783)		(4,138,783)
Beneficial conversion feature of Series A preferred stock	2,685,973		2,685,973
Share-based compensation expense	645,407		645,407
Deemed dividends on preferred shares	(139,133)		(139,133)
Net earning	2,427,995			2,427,995
Stockholders' Equity, Ending Balance at Oct. 31, 2012	$ 16,438,361	$ 125,826	$ 44,351,334	$ (28,038,799)
Stockholders' Equity, Ending Balance,Shares at Oct. 31, 2012	12,582,598	12,582,598