Note 1 - Summary of Significant Accounting Policies - Schedule of Property, Plant and Equipment, Useful Life (Details) |
12 Months Ended |
---|---|
Dec. 31, 2017 | |
Leasehold Improvements [Member] | |
Property, plant, and equipment, useful life (Year) | 5 years |
Demo Equipment [Member] | |
Property, plant, and equipment, useful life (Year) | 3 years |
Minimum [Member] | Office Equipment [Member] | |
Property, plant, and equipment, useful life (Year) | 3 years |
Minimum [Member] | Manufacturing Tooling [Member] | |
Property, plant, and equipment, useful life (Year) | 3 years |
Maximum [Member] | Office Equipment [Member] | |
Property, plant, and equipment, useful life (Year) | 7 years |
Maximum [Member] | Manufacturing Tooling [Member] | |
Property, plant, and equipment, useful life (Year) | 7 years |