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Severance Charge | 3 Months Ended
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Mar. 31, 2015
Severance Charge [Abstract] |
Severance Charge Disclosure [Text Block] | 10. Severance Charge On September 15, 2014, by mutual agreement of the Board of Directors (the “Board”) of the Company and Philip J. Young, Mr. Young stepped down from his role as President and Chief Executive Officer of the Company, effective September 15, 2014. In accordance with Mr. Young’s employment agreements, the Company recorded a severance charge in 2014 of $1,864,000 related to severance-period compensation and benefits and stock-based compensation expense related to the accelerated vesting of stock options. The severance accrual as of December 31, 2014 and March 31, 2015 is as follows:
Accrued severance, December 31, 2014 |  | $ | 555,000 |
Payments in 2015 |  |  | (122,000) |
Accrued severance, March 31, 2015 |  | $ | 433,000 |

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