Reverse Split of Common Stock

12 Months Ended

Dec. 31, 2014

Stockholders' Equity Note [Abstract]

Stockholders Equity Reverse Stock Split Disclosure [Text Block]

11. Reverse Split of Common Stock

On July 9, 2014, the Company affected a previously authorized 1-for-10 reverse stock split of its common stock. The reverse split took effect at the start of trading on July 10, 2014 on a 1-for-10 split basis. All prior periods have been retroactively adjusted to reflect the reverse stock split. The par value of the common stock did not change.