Note 5 - Prepaid Expenses and Other Current Assets (Detail) - Prepaid Expenses and Other Current Assets In Thousands, unless otherwise specified	Aug. 31, 2012 USD ($)	Aug. 31, 2012 CNY	Jun. 30, 2012 USD ($)	Dec. 31, 2011 USD ($)
Prepaid inventory purchases			$ 4	$ 801
Prepaid insurance			37	259
Deposits	1,900	12,000	341	341
Deferred contract costs			1,533	678
Other prepaid expenses and current assets			107	161
Total prepaid expenses and other current assets			$ 2,022	$ 2,240