Fair Value	3 Months Ended	12 Months Ended
Mar. 31, 2013	Dec. 31, 2012
Fair Value Disclosures [Abstract]
Fair Value Disclosures [Text Block]	Note 5 – Fair Value The Company carries its money market funds and cash surrender value of life insurance related to its deferred compensation arrangements at fair value. The fair value of these instruments is determined using a three-tier fair value hierarchy. Based on this hierarchy, the Company determined the fair value of its money market funds using quoted market prices, a Level 1 or an observable input, and the cash surrender value of life insurance, a Level 2 based on observable inputs primarily from the counter party. The Company’s money market funds and the cash surrender value of life insurance had carrying amounts of $84,000 and $55,000 at March 31, 2013, respectively, and $210,000 and $55,000 at December 31, 2012, respectively. The carrying amounts of cash equivalents, receivables and accounts payable approximate fair value due to the short maturities of these items. The fair value of the Company’s Notes and Debentures, using observable inputs, was $247,000 and $33,000, respectively, at March 31, 2013 and December 31, 2012. The fair value of the Company’s remaining long-term debt approximates its carrying value of $1.2 million and $1.5 million at March 31, 2013 and December 31, 2012, respectively.	5. Fair Value The Company carries its money market funds and cash surrender value of life insurance related to its deferred compensation arrangements at fair value. The fair value of these instruments is determined using a three-tier fair value hierarchy. Based on this hierarchy, the Company determined the fair value of its money market funds using quoted market prices, a Level 1 or an observable input, and the cash surrender value of life insurance, a Level 2 based on observable inputs primarily from the counter party. The Company’s money market funds and the cash surrender value of life insurance had carrying amounts of $210,000 and $55,000 at December 31, 2012, respectively, and $261,000 and $70,000 at December 31, 2011, respectively. The carrying amounts of cash equivalents, receivables and accounts payable approximate fair value due to the short maturities of these items. The fair value of the Company’s 8¼% Limited convertible senior subordinated notes due 2012 and 9½% Subordinated debentures due 2012, using observable inputs, was $247,000 and $33,000 at December 31, 2012, respectively, and $259,000 and $34,000 at December 31, 2011, respectively. The fair value of the Company’s remaining long-term debt approximates its carrying value of $1.5 million and $1.1 million at December 31, 2012 and 2011, respectively.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

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