Warrant Issuances	12 Months Ended
Dec. 31, 2016
Warrant Liabilities [Abstract]
Warrant Liabilities [Text Block]	10. Warrant Issuances On April 23, 2015, the Company entered into a credit agreement with BFI Capital Fund II, LLC (“BFI”) for a $1.5 million credit line at a fixed rate of interest of 12.00%, with a maturity date of May 1, 2016, which was satisfied and terminated on November 23, 2015. Mr. Elser, a director of the Company, provided $500,000 of the funding to BFI. In connection with the agreement, the Company also issued BFI a warrant to purchase 10,000 shares of Common Stock at an exercise price of $12.00 per share, which expires on April 23, 2020. The fair value of this warrant at the date of issuance was $21,000. This warrant does not include a potential adjustment of the strike price if the Company sells or grants any options or warrants at a price per share less than the strike price of the warrants, so they are considered indexed to the Company’s Common Stock and were accounted for as equity in Additional paid-in-capital in the Consolidated Balance Sheets. On June 27, 2014, the Company entered into a Securities Purchase Agreement (the “SPA”) with Transtech LED Company Limited (“Transtech”) (formerly known as Retop Industrial (Hong Kong) Limited), pursuant to which Transtech purchased 333,333 shares of the Company’s Common Stock. Yaozhong Shi, a director of the Company, is the Chairman of Transtech. In connection with the SPA, the Company issued warrants to purchase 33,333 shares of the Company’s Common Stock to Transtech at an exercise price of $8.00 per share, which expired on June 27, 2016. These warrants were part of a direct investment in our equity, so they were considered indexed to the Company’s Common Stock and were accounted for as equity. In November 2012, the Board of Directors approved the issuance to two board members, George W. Schiele and Salvatore J. Zizza, of warrants to purchase 20,000 shares of Common Stock at an exercise price of $12.50 per share. In April 2013, the Board of Directors approved the issuance to one board member, Jean Firstenberg, of warrants to purchase 2,000 shares of Common Stock at an exercise price of $12.50 per share. These warrants became fully vested on October 2, 2016 and expire on October 2, 2018. The Company recorded non-cash expenses of $21,000 and $60,000 in the years ended December 31, 2016 and 2015, respectively, related to the value of the warrants issued, which is included in Warrant expense in the Consolidated Statements of Operations. These warrants do not include a potential adjustment of the strike price if the Company sells or grants any options or warrants at a price per share less than the strike price of the warrants, so they are considered indexed to the Company’s Common Stock and were accounted for as equity.

10. Warrant Issuances

On April 23, 2015, the Company entered into a credit agreement with BFI Capital Fund II, LLC (“BFI”) for a $1.5 million credit line at a fixed rate of interest of 12.00%, with a maturity date of May 1, 2016, which was satisfied and terminated on November 23, 2015. Mr. Elser, a director of the Company, provided $500,000 of the funding to BFI. In connection with the agreement, the Company also issued BFI a warrant to purchase 10,000 shares of Common Stock at an exercise price of $12.00 per share, which expires on April 23, 2020. The fair value of this warrant at the date of issuance was $21,000. This warrant does not include a potential adjustment of the strike price if the Company sells or grants any options or warrants at a price per share less than the strike price of the warrants, so they are considered indexed to the Company’s Common Stock and were accounted for as equity in Additional paid-in-capital in the Consolidated Balance Sheets.

On June 27, 2014, the Company entered into a Securities Purchase Agreement (the “SPA”) with Transtech LED Company Limited (“Transtech”) (formerly known as Retop Industrial (Hong Kong) Limited), pursuant to which Transtech purchased 333,333 shares of the Company’s Common Stock. Yaozhong Shi, a director of the Company, is the Chairman of Transtech. In connection with the SPA, the Company issued warrants to purchase 33,333 shares of the Company’s Common Stock to Transtech at an exercise price of $8.00 per share, which expired on June 27, 2016. These warrants were part of a direct investment in our equity, so they were considered indexed to the Company’s Common Stock and were accounted for as equity.

In November 2012, the Board of Directors approved the issuance to two board members, George W. Schiele and Salvatore J. Zizza, of warrants to purchase 20,000 shares of Common Stock at an exercise price of $12.50 per share. In April 2013, the Board of Directors approved the issuance to one board member, Jean Firstenberg, of warrants to purchase 2,000 shares of Common Stock at an exercise price of $12.50 per share. These warrants became fully vested on October 2, 2016 and expire on October 2, 2018. The Company recorded non-cash expenses of $21,000 and $60,000 in the years ended December 31, 2016 and 2015, respectively, related to the value of the warrants issued, which is included in Warrant expense in the Consolidated Statements of Operations. These warrants do not include a potential adjustment of the strike price if the Company sells or grants any options or warrants at a price per share less than the strike price of the warrants, so they are considered indexed to the Company’s Common Stock and were accounted for as equity.