Note 12 - Line of Credit, Loans Payable and Loans Payable (Details)											6 Months Ended	12 Months Ended	1 Months Ended		6 Months Ended		3 Months Ended
	Jun. 30, 2013 USD ($)	Dec. 31, 2012 USD ($)	Dec. 30, 2011 USD Portion [Member] CDB [Member] First [Member] USD ($)	Dec. 30, 2011 USD Portion [Member] CDB [Member] Second [Member] USD ($)	Dec. 30, 2011 USD Portion [Member] CDB [Member]	Dec. 30, 2011 RMB Portion [Member] CDB [Member] First [Member] USD ($)	Dec. 30, 2011 RMB Portion [Member] CDB [Member] First [Member] CNY	Dec. 30, 2011 RMB Portion [Member] CDB [Member] Second [Member] USD ($)	Dec. 30, 2011 RMB Portion [Member] CDB [Member] Second [Member] CNY	Dec. 30, 2011 RMB Portion [Member] CDB [Member]	Jun. 30, 2013 Line of Credit [Member] Cathay Bank [Member] USD ($)	Dec. 31, 2012 Line of Credit [Member] Cathay Bank [Member]	Dec. 26, 2011 Cathay Bank [Member] Extended Line of Credit [Member] USD ($)	Dec. 31, 2012 Cathay Bank [Member] USD ($)	Jun. 30, 2013 Italian Financial Institutions [Member] USD ($)	Dec. 31, 2012 Italian Financial Institutions [Member] USD ($)	Jun. 30, 2012 CDB [Member] USD ($)	Jun. 30, 2012 CDB [Member] CNY	Mar. 31, 2012 CDB [Member] USD ($)	Jun. 30, 2013 CDB [Member] USD ($)	Dec. 31, 2012 CDB [Member] USD ($)	Dec. 30, 2011 CDB [Member]
Note 12 - Line of Credit, Loans Payable and Loans Payable (Details) [Line Items]
Line of Credit Facility, Current Borrowing Capacity													$ 9,000,000
Line of Credit Facility, Percentage of Amount Outstanding to be Extended													70.00%
Debt Instrument, Basis Spread on Variable Rate												2.00%	1.25%
Line of Credit Facility, Maximum Borrowing Capacity			3,600,000	15,600,000		11,500,000	72,150,000	12,300,000	77,850,000					7,000,000
Debt Instrument, Floor Rate												6.00%
Debt Instrument, Periodic Payment, Principal											500,000
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum															4.40%
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum															9.90%
Line of Credit Facility, Amount Outstanding														7,000,000	4,900,000	4,400,000				28,600,000	27,900,000
Debt Instrument, Collateral Amount	22,600,000	22,600,000
Front End Fee Percent					1.50%					1.50%
Percent Fee of Undrawn Funds																						0.50%
Repayments of Lines of Credit																			3,600,000
Proceeds from Lines of Credit (in Yuan Renminbi)																	12,300,000	77,850,000
Proceeds from Lines of Credit																	$ 12,300,000	77,850,000