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Lease Commitments and Contingencies	12 Months Ended
Dec. 31, 2011
Leases [Abstract]
Leases Of Lessee Disclosure[Text Block]	Note H – Lease Commitments and Contingencies We use equipment and office space under operating lease agreements. Rent expense charged to operations approximated $99,000 for 2011 and $107,000 for 2010. Our operating lease for office and manufacturing space expired January 1, 2011. We have negotiated an extension for an additional five year period through January 1, 2016. Our lease obligations for the next four years are approximately, $92,000 for 2012, $94,000 for 2013, $94,000 for 2014 and $96,000 for 2015.

Lease Commitments and Contingencies

12 Months Ended

Dec. 31, 2011

Note H – Lease Commitments and Contingencies

We use equipment and office space under operating lease agreements. Rent expense charged to operations approximated $99,000 for 2011 and $107,000 for 2010. Our operating lease for office and manufacturing space expired January 1, 2011. We have negotiated an extension for an additional five year period through January 1, 2016. Our lease obligations for the next four years are approximately, $92,000 for 2012, $94,000 for 2013, $94,000 for 2014 and $96,000 for 2015.

- Definition

The entire disclosure for lessee entity's leasing arrangements including, but not limited to, all of the following: (a.) The basis on which contingent rental payments are determined, (b.) The existence and terms of renewal or purchase options and escalation clauses, (c.) Restrictions imposed by lease agreements, such as those concerning dividends, additional debt, and further leasing.

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