Note 12 - Business Segment, Major Customers And Related Party Information (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended	3 Months Ended	6 Months Ended				3 Months Ended		6 Months Ended			12 Months Ended	24 Months Ended
	Jun. 30, 2013	Jun. 30, 2012 HMRTech LLC [Member]	Jun. 30, 2013 HMRTech LLC [Member]	Jun. 30, 2012 HMRTech LLC [Member]	Dec. 31, 2012 HMRTech LLC [Member]	Jun. 30, 2013 HMRTech LLC [Member]	Jun. 30, 2013 Sales Revenue, Goods, Net [Member]	Jun. 30, 2012 Sales Revenue, Goods, Net [Member]	Jun. 30, 2013 Sales Revenue, Goods, Net [Member]	Jun. 30, 2012 Sales Revenue, Goods, Net [Member]	Jun. 30, 2013 Accounts Receivable [Member]	Dec. 31, 2012 Accounts Receivable [Member]	Dec. 31, 2013 Accounts Receivable [Member]
Note 12 - Business Segment, Major Customers And Related Party Information (Details) [Line Items]
Number of Operating Segments	1
Number of Customers							0	0	0	0	0	0
Concentration Risk, Percentage							10.00%	10.00%	10.00%	10.00%	10.00%		10.00%
Equity Method Investment, Ownership Percentage						40.00%
Related Party Transaction, Amounts of Transaction (in Dollars)		$ 0.4	$ 0.1	$ 0.9
Due to Related Parties, Current (in Dollars)					$ 0.2