Note 12 - Business Segment, Major Customers And Related Party Information (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended	3 Months Ended	9 Months Ended			3 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended	9 Months Ended		12 Months Ended	24 Months Ended
	Sep. 30, 2013	Sep. 30, 2012 HMRTech LLC [Member]	Sep. 30, 2013 HMRTech LLC [Member]	Sep. 30, 2012 HMRTech LLC [Member]	Dec. 31, 2012 HMRTech LLC [Member]	Sep. 30, 2012 Corporate Joint Venture [Member]	Sep. 30, 2013 HMRTech LLC [Member]	Sep. 30, 2013 Sales Revenue, Goods, Net [Member]	Sep. 30, 2012 Sales Revenue, Goods, Net [Member]	Sep. 30, 2013 Sales Revenue, Goods, Net [Member]	Sep. 30, 2012 Sales Revenue, Goods, Net [Member]	Sep. 30, 2012 Accounts Receivable [Member]	Sep. 30, 2012 Accounts Receivable [Member]	Sep. 30, 2013 Contract Receivables [Member]	Dec. 31, 2012 Contract Receivables [Member]	Dec. 31, 2013 Contract Receivables [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	$ 1.3
Due to Related Parties, Current (in Dollars)					0.2
Proceeds from Dividends Received (in Dollars)		2.4	0.1	2.5
Proceeds from Legal Settlements (in Dollars)						$ 6.3