BALANCE SHEET DETAILS (Details) - USD ($)	12 Months Ended
	Jan. 31, 2018	Jan. 31, 2017
Inventories:
Work in process	$ 5,000	$ 23,000
Finished goods	1,000	8,000
Channel inventory	4,000	7,000
Total	10,000	38,000
Property and equipment, net:
Property and equipment, gross	243,000	202,000
Less: accumulated depreciation	(134,000)	(82,000)
Property and equipment, net	109,000	120,000
Depreciation	52,000	141,000
Furniture
Property and equipment, net:
Property and equipment, gross	21,000	21,000
Laboratory equipment
Property and equipment, net:
Property and equipment, gross	106,000	69,000
Computer and equipment
Property and equipment, net:
Property and equipment, gross	$ 116,000	112,000
Software
Property and equipment, net:
Depreciation		$ 73,000