Income Taxes (Details) - Schedule of Unrecognized Tax Benefits Roll Forward	6 Months Ended
	Jul. 31, 2016 USD ($)
Schedule of Unrecognized Tax Benefits Roll Forward [Abstract]
Unrecognized tax benefits, January 31, 2016	$ 987,000
Changes for prior years’ tax positions	171,000
Unrecognized tax benefits, July 31, 2016	$ 1,158,000