Note 3 - Summary of Significant Accounting Policies (Details Textual) - USD ($)	12 Months Ended
	Jan. 31, 2017	Jan. 31, 2016
Net Income (Loss) Attributable to Parent	$ 845,000	$ (1,346,000)
Income Tax Expense (Benefit)	5,000	0
Deferred Tax Assets, Gross	16,395,000	16,731,000
Operating Loss Carryforwards		1,100,000
Legal Fees	400,000	400,000
Revenue, Net	$ 0
Office Equipment [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life	5 years
Office Equipment [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life	7 years
Equipment and Purchased Software [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life	2 years
Equipment and Purchased Software [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life	5 years
Leasehold Improvements [Member]
Property, Plant and Equipment, Useful Life	5 years
Zheng Ge Electrical Company Ltd [Member]
Accounts Receivable, Write-offs	$ 100,000
Accounts Payable, Write-offs	600,000
Letter of Credit [Member]
Restricted Cash and Cash Equivalents	$ 77,000