Note I - Debt (Detail) In Thousands, unless otherwise specified	1 Months Ended	6 Months Ended		9 Months Ended
	Jun. 30, 2011	Jun. 30, 2012 USD ($)	Jun. 30, 2011 USD ($)	Sep. 30, 2012 USD ($)	Dec. 31, 2011 USD ($)	Jun. 30, 2011 Amended Amount [Member] USD ($)	Jun. 30, 2011 Original Amount [Member] USD ($)	Jun. 30, 2011 Minimum [Member]	Jun. 30, 2011 Maximum [Member]	Jun. 30, 2011 People's Bank of China Base Rate [Member] China Facility [Member]	Jun. 30, 2011 Amount Available for Increase Upon Approval of Lender [Member] USD ($)	Sep. 30, 2012 China Facility [Member] USD ($)	Jun. 30, 2012 China Facility [Member] USD ($)	Jun. 28, 2012 China Facility [Member] USD ($)	Jun. 28, 2012 China Facility [Member] CNY	Dec. 31, 2011 China Facility [Member] USD ($)	Jun. 30, 2011 China Facility [Member] CNY
Line of Credit Facility, Expiration Date	Jun. 30, 2013
Line of Credit Facility, Maximum Borrowing Capacity						$ 15,000	$ 25,000				$ 25,000			$ 5,526	35,000		35,000
Debt Instrument, Basis Spread on Variable Rate								250.00%	375.00%	125.00%
Annual Capital Expenditure Limit				10,000
Minimum Tangible Net Worth				50,000
Percentage of Net Income				50.00%
Percentage of Capital Issuances				100.00%
Letters of Credit Outstanding, Amount				2,439	1,374							1,006				750
Line of Credit Facility, Remaining Borrowing Capacity				12,561	13,626								3,336			3,580
Line of Credit Facility, Commitment Fee Percentage				0.25%
Line of Credit Facility, Amount Outstanding													1,184			1,181
Line of Credit Facility, Interest Rate at Period End				7.30%												7.60%
Interest Expense, Debt		$ 90	$ 125