Note 7 - Debt	9 Months Ended
Sep. 30, 2011
Debt Disclosure [Text Block]	(7) DEBT Line of Credit At December 31, 2010, we had a secured credit facility that provided for maximum borrowings of $250 and was secured by pledged certificates of deposit totaling $250. During the quarter ended September 30, 2011, this facility was terminated. While this facility was in place, we did not use it to borrow any funds. Our usage consisted of the issuance of two letters of credit in the face amounts of $200 and $50, respectively. These letters of credit were issued as security deposits under two of our operating leases. We paid a quarterly fee of 1.5% per annum on the total amount of the outstanding letters of credit. At the time this facility was terminated, the $200 letter of credit that had been issued under this facility had already been terminated, as discussed below, and the $50 letter of credit that had been issued under this facility was converted to a standalone letter of credit which is secured by a pledged certificate of deposit. Letters of Credit At December 31, 2010, we had an outstanding letter of credit in the amount of $200. This letter of credit was originally issued in December 2000 as a security deposit under a lease that our Temptronic subsidiary entered into for its facility in Sharon, Massachusetts. This letter of credit expired January 1, 2011 and was renewed for an additional year. The terms of the lease required that the letter of credit be renewed at least thirty days prior to its expiration date for successive terms of not less than one year throughout the entire lease term, which ended February 28, 2011. As a result of the termination of this lease in February 2011, this letter of credit was cancelled effective July 12, 2011. At each of September 30, 2011 and December 31, 2010, we had an outstanding letter of credit in the amount of $50. This letter of credit is secured by a pledged certificate of deposit in the amount of $50. This letter of credit was originally issued in September 2004 as a portion of the security deposit under a lease that we entered into for a facility for our Electrical Products operation based in northern California. This letter of credit expires September 13, 2012. The terms of the lease require that the letter of credit be renewed at least thirty days prior to its expiration date for successive terms of not less than one year until June 30, 2012, which is sixty days after the expiration of the lease term. At each of September 30, 2011 and December 31, 2010, we had an outstanding letter of credit in the amount of $250. This letter of credit is secured by a pledged certificate of deposit in the amount of $250. This letter of credit was originally issued in April 2010 as a security deposit under a lease that we have entered into for a facility in Mt. Laurel, New Jersey. Our Mechanical Products operation, which was located in Cherry Hill, New Jersey on December 31, 2010, relocated to this smaller facility in Mt. Laurel, New Jersey during the first quarter of 2011. This letter of credit expires April 1, 2012; however, the terms of the lease require that the letter of credit be renewed at least thirty days prior to its expiration date for successive terms of not less than one year throughout the entire lease term, which ends April 30, 2021. Provided that there is no event of default as defined under the terms and conditions of the lease, the required amount of the letter of credit shall decrease to $125 as of the sixty-fourth month of the term of the lease and to $90 as of the one-hundredth month of the term of the lease. At each of September 30, 2011 and December 31, 2010, we had an outstanding letter of credit in the amount of $200. This letter of credit is secured by a pledged certificate of deposit in the amount of $200. This letter of credit was originally issued in November 2010 as a security deposit under a lease that we have entered into for a facility in Mansfield, Massachusetts. Our Thermal Products operation, which was located in Sharon, Massachusetts on December 31, 2010, relocated to this facility in Mansfield, Massachusetts during the first quarter of 2011. This letter of credit expires November 8, 2011; however, the terms of the lease require that the letter of credit be renewed at least thirty days prior to its expiration date for successive terms of not less than one year throughout the entire lease term, which ends August 23, 2021. Provided that there is no event of default as defined under the terms and conditions of the lease, the required amount of the letter of credit shall decrease to $100 as of the thirty-seventh month of the term of the lease and to $50 as of the sixty-first month of the term of the lease.

Note 7 - Debt

9 Months Ended

Sep. 30, 2011

(7) DEBT

Line of Credit

At December 31, 2010, we had a secured credit facility that provided for maximum borrowings of $250 and was secured by pledged certificates of deposit totaling $250. During the quarter ended September 30, 2011, this facility was terminated. While this facility was in place, we did not use it to borrow any funds. Our usage consisted of the issuance of two letters of credit in the face amounts of $200 and $50, respectively. These letters of credit were issued as security deposits under two of our operating leases. We paid a quarterly fee of 1.5% per annum on the total amount of the outstanding letters of credit. At the time this facility was terminated, the $200 letter of credit that had been issued under this facility had already been terminated, as discussed below, and the $50 letter of credit that had been issued under this facility was converted to a standalone letter of credit which is secured by a pledged certificate of deposit.

Letters of Credit

At December 31, 2010, we had an outstanding letter of credit in the amount of $200. This letter of credit was originally issued in December 2000 as a security deposit under a lease that our Temptronic subsidiary entered into for its facility in Sharon, Massachusetts. This letter of credit expired January 1, 2011 and was renewed for an additional year. The terms of the lease required that the letter of credit be renewed at least thirty days prior to its expiration date for successive terms of not less than one year throughout the entire lease term, which ended February 28, 2011. As a result of the termination of this lease in February 2011, this letter of credit was cancelled effective July 12, 2011.

At each of September 30, 2011 and December 31, 2010, we had an outstanding letter of credit in the amount of $50. This letter of credit is secured by a pledged certificate of deposit in the amount of $50. This letter of credit was originally issued in September 2004 as a portion of the security deposit under a lease that we entered into for a facility for our Electrical Products operation based in northern California. This letter of credit expires September 13, 2012. The terms of the lease require that the letter of credit be renewed at least thirty days prior to its expiration date for successive terms of not less than one year until June 30, 2012, which is sixty days after the expiration of the lease term.

At each of September 30, 2011 and December 31, 2010, we had an outstanding letter of credit in the amount of $250. This letter of credit is secured by a pledged certificate of deposit in the amount of $250. This letter of credit was originally issued in April 2010 as a security deposit under a lease that we have entered into for a facility in Mt. Laurel, New Jersey. Our Mechanical Products operation, which was located in Cherry Hill, New Jersey on December 31, 2010, relocated to this smaller facility in Mt. Laurel, New Jersey during the first quarter of 2011. This letter of credit expires April 1, 2012; however, the terms of the lease require that the letter of credit be renewed at least thirty days prior to its expiration date for successive terms of not less than one year throughout the entire lease term, which ends April 30, 2021. Provided that there is no event of default as defined under the terms and conditions of the lease, the required amount of the letter of credit shall decrease to $125 as of the sixty-fourth month of the term of the lease and to $90 as of the one-hundredth month of the term of the lease.

At each of September 30, 2011 and December 31, 2010, we had an outstanding letter of credit in the amount of $200. This letter of credit is secured by a pledged certificate of deposit in the amount of $200. This letter of credit was originally issued in November 2010 as a security deposit under a lease that we have entered into for a facility in Mansfield, Massachusetts. Our Thermal Products operation, which was located in Sharon, Massachusetts on December 31, 2010, relocated to this facility in Mansfield, Massachusetts during the first quarter of 2011. This letter of credit expires November 8, 2011; however, the terms of the lease require that the letter of credit be renewed at least thirty days prior to its expiration date for successive terms of not less than one year throughout the entire lease term, which ends August 23, 2021. Provided that there is no event of default as defined under the terms and conditions of the lease, the required amount of the letter of credit shall decrease to $100 as of the thirty-seventh month of the term of the lease and to $50 as of the sixty-first month of the term of the lease.