The geographical distribution of long-lived assets to geographical areas consisted of the following at:



		September 30,		December 31,
		2020		2019
United States	$	12,749	$	12,215
Singapore		1,251		1,263
Other		168		73
Consolidated	$	14,168	$	13,551

Long-lived assets consist of machinery and equipment. Excluded from long-lived assets are investments in partnerships, patents, goodwill, intangible assets, operating lease right-of-use (ROU) assets and certain other assets. The Company capitalizes long-lived assets pertaining to the production of specialized parts. These assets are periodically reviewed to ensure the net realizable value from the estimated future production based on forecasted cash flows exceeds the carrying value of the assets.

The geographical distribution of net revenue to geographical areas for the three and nine months ended September 30, 2020 and 2019 were as follows:



		Three Months Ended				Nine Months Ended
Net Revenue to Geographical Areas		September 30, 2020		September 30, 2019		September 30, 2020		September 30, 2019
United States	$	18,136	$	22,483	$	53,152	$	71,059
Europe		1,926		1,248		4,070		4,480
Asia		3,595		2,780		8,586		9,508
All other countries		3,710		382		6,663		753
Consolidated	$	27,367	$	26,893	$	72,472	$	85,800

For the three and nine months ended September 30, 2020, one customer accounted for 61% of the Company’s consolidated net revenue. For the three and nine months ended September 30, 2019, one customer accounted for 59%, of the Company’s consolidated net revenue.

Two customers combined accounted for 56% and 51% of the Company’s consolidated accounts receivable at September 30, 2020 and December 31, 2019, respectively.

One customer accounted for 92% and 86% of the Company’s consolidated contract assets at September 30, 2020 and December 31, 2019, respectively.