Note 20 - Subsequent Events	12 Months Ended
Dec. 31, 2012
Amendment To Agreement [Text Block]	NOTE 20: SUBSEQUENT EVENTS Sale of Other Segment On February 8, 2013, the Company sold substantially all of the assets included in its other segment or its bioplastics manufacturing business, including all of the Company’s assets at its bioplastics manufacturing facility in Onaga, Kansas and certain assets of the Company’s extruder bio-resin laboratory located in Atchison, Kansas. The sale was initiated by the buyer and up until near the time of close there was uncertainty that the buyer would obtain financing. The sales price totaled $2,800 and resulted in a pre-tax gain of approximately $1,400 that will be recognized in the first quarter of 2013. Dividend Declaration On February 28, 2013, the Board of Directors declared a five (5) cent dividend per share of common stock. The dividend will be paid on April 10, 2013 to common stockholders of record on March 18, 2013.

Note 20 - Subsequent Events

12 Months Ended

Dec. 31, 2012

NOTE 20: SUBSEQUENT EVENTS

Sale of Other Segment

On February 8, 2013, the Company sold substantially all of the assets included in its other segment or its bioplastics manufacturing business, including all of the Company’s assets at its bioplastics manufacturing facility in Onaga, Kansas and certain assets of the Company’s extruder bio-resin laboratory located in Atchison, Kansas. The sale was initiated by the buyer and up until near the time of close there was uncertainty that the buyer would obtain financing. The sales price totaled $2,800 and resulted in a pre-tax gain of approximately $1,400 that will be recognized in the first quarter of 2013.

Dividend Declaration

On February 28, 2013, the Board of Directors declared a five (5) cent dividend per share of common stock. The dividend will be paid on April 10, 2013 to common stockholders of record on March 18, 2013.