Deferred Revenue

12 Months Ended

Dec. 31, 2014

Deferred Revenue [Abstract]

Deferred Revenue Disclosure [Text Block]

Note 10 — Deferred Revenue

Deferred revenue consists of prepaid licensing revenue from the Arthrex Agreement. Revenue related to prepaid licensing is recognized on a straight-line basis over 5 years, the term of the Arthrex Agreement. Revenue of $402,264 and $167,657 related to the prepaid license was recognized in the years ended December 31, 2014 and 2013, respectively. (See Note 2 — Arthrex Distributor and License Agreement for additional details.)