Note 13 - Legal Proceedings (Details Textual) - USD ($)	1 Months Ended
	Feb. 28, 2015	Aug. 31, 2012
Lawsuit Against Wellington Scientific LLC and Peter F. Lordi [Member] | Royalties to be Paid in Year 1 [Member]
Litigation Settlement, Percentage of Royalties to be Paid	0.00%
Future Sales from Electronic Products	$ 500,000
Lawsuit Against Wellington Scientific LLC and Peter F. Lordi [Member] | Royalties to be Paid in Year 2 [Member] | Minimum [Member]
Future Sales from Electronic Products	500,000
Lawsuit Against Wellington Scientific LLC and Peter F. Lordi [Member] | Royalties to be Paid in Year 2 [Member] | Maximum [Member]
Future Sales from Electronic Products	$ 1,000,000
Lawsuit Against Wellington Scientific LLC and Peter F. Lordi [Member] | Royalties to be Paid in Year 2 [Member]
Litigation Settlement, Percentage of Royalties to be Paid	1.00%
Lawsuit Against Wellington Scientific LLC and Peter F. Lordi [Member] | Royalties to be Paid in Year 3 [Member] | Minimum [Member]
Future Sales from Electronic Products	$ 1,000,000
Lawsuit Against Wellington Scientific LLC and Peter F. Lordi [Member] | Royalties to be Paid in Year 3 [Member] | Maximum [Member]
Future Sales from Electronic Products	$ 2,000,000
Lawsuit Against Wellington Scientific LLC and Peter F. Lordi [Member] | Royalties to be Paid in Year 3 [Member]
Litigation Settlement, Percentage of Royalties to be Paid	2.00%
Lawsuit Against Wellington Scientific LLC and Peter F. Lordi [Member] | Royalties to be Paid in Year 4 [Member] | Minimum [Member]
Future Sales from Electronic Products	$ 2,000,000
Lawsuit Against Wellington Scientific LLC and Peter F. Lordi [Member] | Royalties to be Paid in Year 4 [Member] | Maximum [Member]
Future Sales from Electronic Products	$ 10,000,000
Lawsuit Against Wellington Scientific LLC and Peter F. Lordi [Member] | Royalties to be Paid in Year 4 [Member]
Litigation Settlement, Percentage of Royalties to be Paid	4.00%
Lawsuit Against Wellington Scientific LLC and Peter F. Lordi [Member] | Royalties to be Paid in Year 5 and Thereafter [Member] | Minimum [Member]
Future Sales from Electronic Products	$ 10,000,000
Lawsuit Against Wellington Scientific LLC and Peter F. Lordi [Member] | Royalties to be Paid in Year 5 and Thereafter [Member]
Litigation Settlement, Percentage of Royalties to be Paid	2.00%
Loss Contingency, Damages Sought, Value		$ 50,000