Description of Business, Basis of Presentation and Summary of Significant Accounting Policies (Details 1) (USD $)	12 Months Ended
	Jan. 31, 2013
Contract B [Member]
Revenue Recognition, Milestone Method, Revenue Recognized	$ 662,000
Contract D [Member]
Revenue Recognition, Milestone Method, Revenue Recognized	888,000
Contract E [Member]
Revenue Recognition, Milestone Method, Revenue Recognized	750,000
Milestone 1 Substantive [Member] | Contract B [Member]
Revenue Recognition, Milestone Method, Revenue Recognized	100,000
Milestone 1 Substantive [Member] | Contract D [Member]
Revenue Recognition, Milestone Method, Revenue Recognized	319,000
Milestone 1 Non Substantive [Member] | Contract E [Member]
Revenue Recognition, Milestone Method, Revenue Recognized	187,500
Milestone 2 Substantive [Member] | Contract B [Member]
Revenue Recognition, Milestone Method, Revenue Recognized	29,000
Milestone 2 Substantive [Member] | Contract D [Member]
Revenue Recognition, Milestone Method, Revenue Recognized	333,000
Milestone 2 Substantive [Member] | Contract E [Member]
Revenue Recognition, Milestone Method, Revenue Recognized	187,500
Milestone 3 Substantive [Member] | Contract B [Member]
Revenue Recognition, Milestone Method, Revenue Recognized	100,000
Milestone 3 Substantive [Member] | Contract D [Member]
Revenue Recognition, Milestone Method, Revenue Recognized	196,000
Milestone 3 Substantive [Member] | Contract E [Member]
Revenue Recognition, Milestone Method, Revenue Recognized	318,750
Milestone 4 Substantive [Member] | Contract B [Member]
Revenue Recognition, Milestone Method, Revenue Recognized	41,000
Milestone 4 Substantive [Member] | Contract D [Member]
Revenue Recognition, Milestone Method, Revenue Recognized	40,000
Milestone 4 Substantive [Member] | Contract E [Member]
Revenue Recognition, Milestone Method, Revenue Recognized	56,250
Milestone 5 Substantive [Member] | Contract B [Member]
Revenue Recognition, Milestone Method, Revenue Recognized	10,000
Milestone 6 Substantive [Member] | Contract B [Member]
Revenue Recognition, Milestone Method, Revenue Recognized	115,000
Milestone 7 Substantive [Member] | Contract B [Member]
Revenue Recognition, Milestone Method, Revenue Recognized	38,000
Milestone 8 Substantive [Member] | Contract B [Member]
Revenue Recognition, Milestone Method, Revenue Recognized	73,000
Milestone 9 Substantive [Member] | Contract B [Member]
Revenue Recognition, Milestone Method, Revenue Recognized	51,000
Milestone 10 Substantive [Member] | Contract B [Member]
Revenue Recognition, Milestone Method, Revenue Recognized	82,000
Milestone 11 Substantive [Member] | Contract B [Member]
Revenue Recognition, Milestone Method, Revenue Recognized	$ 23,000