Legal Settlement:

12 Months Ended

Dec. 31, 2011

Legal Settlement [Abstract]

Legal Settlement [Text Block]

In February 2011, the Company reached a settlement in its litigation against a law firm that formerly represented the Company in patent litigation matters, representing reimbursement of legal fees previously paid to the firm.  Under the terms of the settlement, the Company received $2.5 million, which amount is included as a credit in operating expenses on the Consolidated Statements of Income for the year ended December 31, 2011.