Note 1 - Basis of Presentation (Details)	9 Months Ended
	Sep. 30, 2013
Note 1 - Basis of Presentation (Details) [Line Items]
Number of Reportable Segments	1
Property, Plant and Equipment, Depreciation Methods	straight-line
Minimum Percentage of Receivable Balances for creating Allowance for Doubtful Accounts	85.00%
Minimum [Member]
Note 1 - Basis of Presentation (Details) [Line Items]
Period for Creating Allowance for Doubtful Accounts	120 days
Maximum [Member]
Note 1 - Basis of Presentation (Details) [Line Items]
Period for Creating Allowance for Doubtful Accounts	120 days