Commitments and Contingencies	12 Months Ended
Dec. 31, 2015
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies Disclosure [Text Block]	17. Commitments and Contingencies Commitments: The Company has employment agreements with its Chief Executive Officer and with the President of its subsidiary Trans-Lux Energy Corporation, which expire in February 2018 and May 2016, respectively. At December 31, 2015, the aggregate commitment for future salaries, excluding bonuses, was approximately $700,000. Contractual salaries expense was $447,000 and $348,000 for the years ended December 31, 2015 and 2014, respectively. Contingencies: The Company is subject to legal proceedings and claims which arise in the ordinary course of its business and/or which are covered by insurance. The Company believes that it has accrued adequate reserves individually and in the aggregate for such legal proceedings. Should actual litigation results differ from the Company’s estimates, revisions to increase or decrease the accrued reserves may be required. Operating leases: Certain premises are occupied under operating leases that expire at varying dates through 2019. Certain of these leases provide for the payment of real estate taxes and other occupancy costs. On February 1, 2016, the Company sold its Des Moines, Iowa facility in a sale/leaseback transaction. The lease is for a two year lease period at an annual rental of $158,000.Future minimum lease payments (including amounts due under the new lease of the Des Moines facility) due under operating leases at December 31, 2015 aggregating $1.1 million are as follows: $562,000 - 2016, $450,000 – 2017, $101,000 – 2018, $26,000 – 2019 and $1,000 – 2020. Rent expense was $541,000 and $428,000 for the years ended December 31, 2015 and 2014, respectively.

Commitments and Contingencies

12 Months Ended

Dec. 31, 2015

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies Disclosure [Text Block]

17. Commitments and Contingencies

Commitments: The Company has employment agreements with its Chief Executive Officer and with the President of its subsidiary Trans-Lux Energy Corporation, which expire in February 2018 and May 2016, respectively. At December 31, 2015, the aggregate commitment for future salaries, excluding bonuses, was approximately $700,000. Contractual salaries expense was $447,000 and $348,000 for the years ended December 31, 2015 and 2014, respectively.

Contingencies: The Company is subject to legal proceedings and claims which arise in the ordinary course of its business and/or which are covered by insurance. The Company believes that it has accrued adequate reserves individually and in the aggregate for such legal proceedings. Should actual litigation results differ from the Company’s estimates, revisions to increase or decrease the accrued reserves may be required.

Operating leases: Certain premises are occupied under operating leases that expire at varying dates through 2019. Certain of these leases provide for the payment of real estate taxes and other occupancy costs. On February 1, 2016, the Company sold its Des Moines, Iowa facility in a sale/leaseback transaction. The lease is for a two year lease period at an annual rental of $158,000.Future minimum lease payments (including amounts due under the new lease of the Des Moines facility) due under operating leases at December 31, 2015 aggregating $1.1 million are as follows: $562,000 - 2016, $450,000 – 2017, $101,000 – 2018, $26,000 – 2019 and $1,000 – 2020. Rent expense was $541,000 and $428,000 for the years ended December 31, 2015 and 2014, respectively.