Allowance for Doubtful Accounts

6 Months Ended

Jun. 30, 2014

Allowance For Doubtful Accounts [Abstract]

Allowance For Doubtful Accounts [Text Block]

5. Allowance for Doubtful Accounts

Allowance for doubtful accounts was $37,000 and $0 as of June 30, 2014 and December 31, 2013, respectively.