Deferred Revenues	6 Months Ended
Deferred Revenues	Jun. 30, 2016
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, 2016 and December 31, 2015, we have $2.2 million and $1.1 million, respectively, of deferred license fee revenue related to prepayments for future license fees from three and two customers, respectively, and a total of $17,000 and $0.4 million, respectively, of deferred engineering development fees from one customer.

The entire disclosure for deferred revenues at the end of the reporting period, and description and amounts of significant changes that occurred during the reporting period. Deferred revenue is a liability as of the balance sheet date related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.