Receivables, Deferred Revenue and Backlog	3 Months Ended
Mar. 31, 2017
Deferred Revenue Disclosure [Abstract]
Receivables, Deferred Revenue and Backlog	NOTE 15 – RECEIVABLES, DEFERRED REVENUE AND BACKLOG As of March 31, 2017, total backlog for prototype engines to be delivered was $400,000 from the Combilift agreement, of which $100,000 has been paid and has been recorded as deferred revenue. In 2016, three (3) other customers advanced $175,700 as deposits towards payments on $355,000 of contracts for engines currently estimated to be delivered in 2017 and license deposits.

Receivables, Deferred Revenue and Backlog

3 Months Ended

Mar. 31, 2017

Deferred Revenue Disclosure [Abstract]

Receivables, Deferred Revenue and Backlog

NOTE 15 – RECEIVABLES, DEFERRED REVENUE AND BACKLOG

As of March 31, 2017, total backlog for prototype engines to be delivered was $400,000 from the Combilift agreement, of which $100,000 has been paid and has been recorded as deferred revenue. In 2016, three (3) other customers advanced $175,700 as deposits towards payments on $355,000 of contracts for engines currently estimated to be delivered in 2017 and license deposits.

CYCLONE POWER TECHNOLOGIES INC 10-Q/A