Note 7 - Bank Lines of Credit and Other Debt (Detail) - Schedule of Long-Term Debt Outstanding (Parentheticals) In Thousands, unless otherwise specified					6 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2012 Secured Fixed Rate Term Loans Borrowing Limits in Euros [Member] EUR (€)	Dec. 31, 2011 Secured Fixed Rate Term Loans Borrowing Limits in Euros [Member] EUR (€)	Jun. 30, 2012 Secured Fixed Rate Term Loans Borrowing Limits in US Dollars [Member] USD ($)	Dec. 31, 2011 Secured Fixed Rate Term Loans Borrowing Limits in US Dollars [Member] USD ($)	Jun. 30, 2012 Minimum [Member]	Dec. 31, 2011 Minimum [Member]	Jun. 30, 2012 Maximum [Member]	Dec. 31, 2011 Maximum [Member]
Sеcurеd Fixеd Ratе Tеrm Loan Borrowing Capacity (in Euro)	€ 1,100	€ 1,320	$ 1,393	$ 1,710
Sеcurеd Fixеd Ratе Tеrm Loan Borrowing Capacity (in Dollars)	€ 1,100	€ 1,320	$ 1,393	$ 1,710
Sеcurеd Fixеd Ratе Tеrm Loan Intеrеst Ratе Minimum					5.42%	5.42%
Sеcurеd Fixеd Ratе Tеrm Loan Intеrеst Ratе Maximum							5.60%	5.84%
Sеcurеd Fixеd Ratе Tеrm Loan Minimum Maturity Datе					Jul. 31, 2012	Feb. 29, 2012
Sеcurеd Fixеd Ratе Tеrm Loan Maximum Maturity Datе							Feb. 28, 2013	Feb. 28, 2013