Stock-Based Compensation	9 Months Ended
Sep. 30, 2011
Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract]
Shareholders' Equity and Share-based Payments [Text Block]	6. Stock-Based Compensation The Company has two stock-based employee compensation plans. The Company recognizes compensation expense for all share-based awards on a straight-line basis over the life of the instruments, based upon the grant date fair value of the equity or liability instruments issued. Total stock compensation expense was approximately $5,000 and $26,000 ($0 and $3,000 in discontinued operations) for the three months ended September 30, 2011 and 2010, respectively, and $45,000 and $47,000 ($0 and $13,000 in discontinued operations) for the nine months ended September 30, 2011 and 2010, respectively. Expected term: The Company’s expected life is based on the period the options are expected to remain outstanding. The Company estimated this amount based on historical experience of similar awards, giving consideration to the contractual terms of the awards, vesting requirements and expectations of future behavior. Risk-free interest rate: The Company uses the risk-free interest rate of a U.S. Treasury Note with a similar term on the date of the grant. Volatility: The Company calculates the volatility of the stock price based on historical value and corresponding volatility of the Company’s stock price over the prior five years to correspond with the Company’s focus on the Security Segment. Dividend yield: The Company uses a 0% expected dividend yield, as the Company has not paid dividends to date and does not anticipate declaring dividends in the near future. During the nine months ended September 30, 2011, the Company did not issue any stock options. As of September 30, 2011, total unrecognized stock-based compensation expense was $24,000, which has a weighted average period to be recognized of approximately 0.7 years. The Black-Scholes option valuation model was developed for use in estimating the fair value of traded options which have no vesting restrictions and are fully transferable. In addition, option valuation models require the input of highly subjective assumptions, including the expected stock price volatility. Because the Company’s employee stock options have characteristics significantly different from those of traded options, and because changes in the subjective input assumptions can materially affect the fair value estimate, in management’s opinion, the existing models do not necessarily provide a reliable single measure of the fair value of its employee stock options.

The Company has two stock-based employee compensation plans. The Company recognizes compensation expense for all share-based awards on a straight-line basis over the life of the instruments, based upon the grant date fair value of the equity or liability instruments issued. Total stock compensation expense was approximately $5,000 and $26,000 ($0 and $3,000 in discontinued operations) for the three months ended September 30, 2011 and 2010, respectively, and $45,000 and $47,000 ($0 and $13,000 in discontinued operations) for the nine months ended September 30, 2011 and 2010, respectively.

Expected term: The Company’s expected life is based on the period the options are expected to remain outstanding. The Company estimated this amount based on historical experience of similar awards, giving consideration to the contractual terms of the awards, vesting requirements and expectations of future behavior.

Risk-free interest rate: The Company uses the risk-free interest rate of a U.S. Treasury Note with a similar term on the date of the grant.

Volatility: The Company calculates the volatility of the stock price based on historical value and corresponding volatility of the Company’s stock price over the prior five years to correspond with the Company’s focus on the Security Segment.

Dividend yield: The Company uses a 0% expected dividend yield, as the Company has not paid dividends to date and does not anticipate declaring dividends in the near future.

During the nine months ended September 30, 2011, the Company did not issue any stock options. As of September 30, 2011, total unrecognized stock-based compensation expense was $24,000, which has a weighted average period to be recognized of approximately 0.7 years.

The Black-Scholes option valuation model was developed for use in estimating the fair value of traded options which have no vesting restrictions and are fully transferable. In addition, option valuation models require the input of highly subjective assumptions, including the expected stock price volatility. Because the Company’s employee stock options have characteristics significantly different from those of traded options, and because changes in the subjective input assumptions can materially affect the fair value estimate, in management’s opinion, the existing models do not necessarily provide a reliable single measure of the fair value of its employee stock options.