Note 4 - Credit Facilities (Details)					12 Months Ended					12 Months Ended
	Dec. 31, 2014 USD ($)		Dec. 31, 2013 USD ($)		Dec. 31, 2014 Sterling Credit Facility [Member] USD ($)	Dec. 31, 2014 Oxford Funding Pty Ltd [Member] USD ($)	Dec. 31, 2014 Oxford Funding Pty Ltd [Member] AUD	Dec. 31, 2014 Unilink [Member] China Construction Bank [Member] USD ($)	Dec. 31, 2014 Unilink [Member] China Construction Bank [Member] CNY	Dec. 31, 2014 Mizuho Bank [Member} USD ($)	Dec. 31, 2014 Mizuho Bank [Member} JPY (¥)	Mar. 07, 2011 Mizuho Bank [Member} USD ($)	Mar. 07, 2011 Mizuho Bank [Member} JPY (¥)
Note 4 - Credit Facilities (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity					$ 7,500,000	$ 1,000,000	1,200,000
Debt Instrument, Basis Spread on Variable Rate					0.125%
Percent of Eligible Domestic Accounts Receivable Less Certain Reserves To Calculate Borrowing Availability					85.00%	80.00%	80.00%
Debt Instrument, Face Amount									1,400,000			166,000	20,000,000
Debt Instrument, Periodic Payment										2,000	238,000
Debt Instrument, Interest Rate, Stated Percentage								7.20%	7.20%	0.10%	0.10%
Loans Payable								228,000		75,000	9,100,000
Loans Payable, Noncurrent										51,000
Loans Payable, Current	$ 1,475,000	[1]	$ 1,104,000	[1]						$ 24,000

[1] Represent loans from the local investors into the Company's subsidiaries (representing their proportionate share of working capital loans). The loans have no payment terms and are due on demand and as such have been classified as current liabilities in the Company's consolidated financial statements.