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Long-Term Contracts (Narrative) (Details) | 12 Months Ended
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Dec. 31, 2020
LBS Display System |
Deferred Revenue, Description | In April 2017, we signed a contract with a major technology company to develop an LBS display system. Under the agreement, we received an upfront payment of $10.0 million in 2017 and, as of December 31, 2019, had also received $15.0 million, net of early payment discounts, representing all payment due for development work. The original contract was for $14.0 million in fees for development work, but we and our customer agreed to add $1.1 million in additional work to total $15.1 million. After applying early payment discounts, we recognized revenue of $15.0 million in development fees over time based on the proportion of total cost expended (under Topic 606, the "input method") to the total cost expected to complete the contract performance obligation. For the year ended December 31, 2019, we recognized $2.9 million of contract revenue from development fees on this agreement. Beginning in the fourth quarter of 2019, the $10.0 million upfront payment was being recognized as revenue at the point in time that component sales were sold to the major technology customer. In March 2020, we entered into an agreement for our customer to take over production of the components we had been producing for them. The agreement provides that, beginning in March 2020, we will earn a royalty on each component shipped that is approximately equal to the gross profit we would have earned if we continued to produce and ship the components. Under the new arrangement, the royalties earned will be applied against the remaining $7.8 million prepayment that we had previously received from the customer until the prepayment is exhausted.

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- Definition Description of the transaction or nature of business giving rise to deferred revenue or unearned revenue, other than annual membership fees. Deferred revenue is a liability 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 8 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121566466&loc=d3e6935-107765 + Details
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