5. Geographic Information

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



		June 30,		December 31,
		2017		2016
United States	$	4,563	$	4,640
Singapore		1,267		1,413
Other – primarily United Kingdom and Indonesia		527		553
Consolidated	$	6,357	$	6,606

Long-lived assets consist of property and equipment. Excluded from long-lived assets are investments in partnerships, patents, license agreements 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.

The geographical distribution of net sales to geographical areas for the three and six months ended June 30, 2017 and 2016 were as follows:



		Three Months Ended				Six Months Ended
		June 30, 2017		June 30, 2016		June 30, 2017		June 30, 2016
United States	$	17,676	$	12,223	$	33,199	$	23,953
Europe		2,307		2,520		4,785		5,817
Asia		1,891		1,670		3,801		4,538
All other countries		87		215		264		384
Consolidated	$	21,961	$	16,628	$	42,049	$	34,692

Geographic net sales are allocated based on the location of the customer.

For the three and six months ended June 30, 2017, one customer accounted for 49% and 47%, respectively, of the Company’s consolidated net sales. For both the three and six months ended June 30, 2016, one customer accounted for 39% of the Company’s consolidated net sales.

At June 30, 2017, two customers combined accounted for 32% of the Company’s consolidated accounts receivable. At December 31, 2016, two customers combined accounted for 31% of the Company’s consolidated accounts receivable.