Note 5 - Commitments and Contingencies (Detail) (USD $)	6 Months Ended
	Jun. 30, 2012
Long-term Purchase Commitment, Amount	$ 20,428
Letters of Credit Outstanding, Amount	500,000
MMBTU of Natural Gas [Member]
Long Term Purchase Commitment Quantity In MMBTU	1,165,000
MMBTU Natual Gas Dollar Equivalent [Member]
Long-term Purchase Commitment, Amount	4,269,000
Pounds of Flour [Member]
Long Term Purchase Commitment Quanity In Pounds	24,319,000 pounds
Pounds Of Flour Dollar Equivalent [Member]
Long-term Purchase Commitment, Amount	$ 4,657,000