Note 6 - Short-term Borrowings (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Note 6 - Short-term Borrowings (Details) [Line Items]
Line of Credit Facility, Interest Rate at Period End	6.00%	6.00%
Line of Credit Facility, Maximum Borrowing Capacity (in Dollars)	$ 1,250,000
Line of Credit Facility, Amount Outstanding (in Dollars)	$ 0
Accounts Receivable [Member]
Note 6 - Short-term Borrowings (Details) [Line Items]
Line Of Credit Facility Maximum Borrowing Capacity Percent	80.00%
Inventory [Member]
Note 6 - Short-term Borrowings (Details) [Line Items]
Line Of Credit Facility Maximum Borrowing Capacity Percent	10.00%
Line of Credit [Member]
Note 6 - Short-term Borrowings (Details) [Line Items]
Line of Credit Facility, Interest Rate at Period End	6.00%