Note 4 - Credit Facilities (Details) (USD $)	3 Months Ended	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2013
Mizuho Bank [Member}
Note 4 - Credit Facilities (Details) [Line Items]
Debt Instrument, Face Amount (in Dollars)	$ 204,000	$ 204,000
Debt Instrument, Periodic Payment (in Dollars)		2,400
Debt Instrument, Interest Rate, Stated Percentage	0.10%	0.10%
Loans Payable (in Dollars)	129,000	129,000
Sterling Credit Facility [Member]
Note 4 - Credit Facilities (Details) [Line Items]
Debt Instrument, Basis Spread on Variable Rate	0.50%	0.25%
Line of Credit Facility, Maximum Borrowing Capacity (in Dollars)	6,500,000	6,500,000
Percent of Eligible Domestic Accounts Receivable Less Certain Reserves To Calculate Borrowing Availability	85.00%	85.00%
Reduction in Interest Rate From Previous Rate	0.75%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.125%	0.25%
Oxford Funding Pty Ltd [Member]
Note 4 - Credit Facilities (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity (in Dollars)	1,100,000	1,100,000
Percent of Eligible Domestic Accounts Receivable Less Certain Reserves To Calculate Borrowing Availability	80.00%	80.00%
Royal Bank of Canada [Member]
Note 4 - Credit Facilities (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity (in Dollars)	$ 728,000	$ 728,000
Percent of Eligible Domestic Accounts Receivable Less Certain Reserves To Calculate Borrowing Availability	75.00%	75.00%