Note 2 - Accounts Receivable (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Note 2 - Accounts Receivable (Details) [Line Items]
Allowance for Doubtful Accounts Receivable	$ 600,000	$ 400,000
Allowance for Doubtful Accounts Receivable, Write-offs	200,000	0
Foreign Receivables
Note 2 - Accounts Receivable (Details) [Line Items]
Accounts Receivable, Net	$ 4,900,000	$ 2,200,000