Deferred Revenues

6 Months Ended

Jun. 30, 2015

Deferred Revenues [Abstract]

Deferred Revenues

3.   Deferred Revenues

We defer license fees until we have met all accounting requirements for revenue recognition as per unit royalty products are distributed and royalty reports are received. Engineering development fee revenues are deferred until such time as the engineering work has been completed and accepted by our customers. As of June 30, 2015 and December 31, 2014, we had $1.9 million and $3.0 million, respectively, of deferred license fee revenue related to prepayments for future license fees from four and five customers, and a total of $1.1 million and $0.4 million, respectively, of deferred engineering development fees from one and five customers, respectively.