4. GEOGRAPHIC AND CUSTOMER INFORMATION

The geographical distribution of long-lived assets, consisting of machinery and equipment, and net revenue to geographical areas is set forth below:

Long-lived Assets, Net



		December 31,		December 31,
		2019		2018
United States	$	12,215	$	10,065
Singapore		1,263		1,240
Other		73		117
Consolidated	$	13,551	$	11,422

Long-lived assets consist of machinery and equipment. Excluded from long-lived assets are investments in partnerships, patents, license agreements, intangible assets and goodwill. The Company capitalizes long-lived assets pertaining to the production of specialized parts. These assets are periodically reviewed to assure the net realizable value from the estimated future production based on forecasted cash flows exceeds the carrying value of the assets.



		Year Ended December 31,
Net Revenue to Geographical Areas		2019		2018		2017
United States	$	94,530	$	96,822	$	73,073
Europe		5,611		5,846		5,566
Asia		9,374		10,009		7,477
All other countries		3,978		1,271		838
Consolidated	$	113,493	$	113,948	$	86,954

Geographic net revenue is allocated based on the location of the customer.

Customer Information

One customer accounted for 60 percent, 57 percent and 50 percent of the Company’s consolidated net revenue in 2019, 2018 and 2017, respectively. During 2019, 2018 and 2017, the top five customers accounted for approximately 73 percent, 72 percent and 66 percent of the Company’s consolidated net revenue, respectively.

Two customers accounted for a combined 51 and 53 percent of the Company’s consolidated accounts receivable at December 31, 2019 and 2018, respectively.

One customer accounted for 86 and 78 percent of the Company’s consolidated contract assets at December 31, 2019 and 2018, respectively.