|
Note 6 - Customer and Supplier Concentrations (Details) (USD $)
|
3 Months Ended | 0 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Jul. 31, 2014
|
Jan. 31, 2014
|
May 28, 2014
Pillsbury Winthrop Shaw Pittman, LLP [Member]
|
Jun. 02, 2014
Reversed in Second Quarter [Member]
Chicony Power Technology Company Ltd [Member]
|
Oct. 31, 2013
Constellation Units [Member]
|
Oct. 31, 2013
Field Replacement Units [Member]
|
Jun. 02, 2014
Chicony Power Technology Company Ltd [Member]
|
Jun. 02, 2014
Chicony Power Technology Company Ltd [Member]
|
May 30, 2014
Chicony Power Technology Company Ltd [Member]
|
May 15, 2014
Chicony Power Technology Company Ltd [Member]
|
May 16, 2014
Chicony Power Technology Company Ltd [Member]
|
Feb. 04, 2014
Chicony Power Technology Company Ltd [Member]
|
|
| Note 6 - Customer and Supplier Concentrations (Details) [Line Items] | ||||||||||||
| Units Shipped | 20,000 | 11,000 | ||||||||||
| Litigation Settlement, Amount | $ 7,600,000 | $ 9,700,000 | ||||||||||
| Proceeds from Legal Settlements | 3,600,000 | 3,600,000 | 3,600,000 | 4,000,000 | ||||||||
| Major Suppliers Accounts Payable Current | 432,000 | 3,053,000 | 1,100,000 | |||||||||
| Lump Sum Legal Fee | 1,500,000 | |||||||||||
| Accrued Professional Fees | $ 400,000 | |||||||||||
| Interest Rate For Outstanding Legal Fees Payable Solely With Settlement | 20.00% | |||||||||||