Note 8 - Short-term Borrowings (Detail) (USD $)	1 Months Ended
	Jun. 29, 2012	Jun. 30, 2012
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum	6.00%
Line of Credit Facility, Interest Rate at Period End		6.00%
Secured Borrowings Limit, Accounts Receivable, Percentage		80.00%
Secured Borrowings Limit, Inventory, Percentage		10.00%
Line of Credit Facility, Maximum Borrowing Capacity (in Dollars)		$ 1,250,000
Line of Credit Facility, Current Borrowing Capacity (in Dollars)		1,250,000
Line of Credit Facility, Amount Outstanding (in Dollars)		$ 0
Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate	1.50%