Note 3 – Property and Equipment

Property and equipment consists of the following:

	DECEMBER 31,
	2017		2016

Medical equipment and facilities	$	95,923,000	$	96,270,000
Office equipment		576,000		537,000
Deposits and construction in progress		1,658,000		6,073,000
Deposits towards purchase of proton beam systems		2,000,000		2,000,000

		100,157,000		104,880,000
Accumulated depreciation		(51,666,000)		(53,549,000)

Net property and equipment	$	48,491,000	$	51,331,000

The Company has equipment that is secured under capitalized leases, which is included in Medical equipment and facilities, with a total cost of $44,758,000 and associated accumulated depreciation of $16,777,000 as of December 31, 2017 and a total cost of $43,703,000 and associated accumulated depreciation of $16,642,000 as of December 31, 2016. As of December 31, 2017, the Company has one idle Gamma Knife unit with a cumulative net book value of $729,000. There are currently no plans to put into service or trade this unit in during 2018.

As of December 31, 2017, the Company has $1,658,000 in construction in progress. The construction in progress consists of deposit payments made for two Cobalt-60 reloads, capitalized and imputed interest, and other costs associated with on-going projects of the Company.

As of December 31, 2017, the Company has $2,000,000 in deposits toward the purchase of two MEVION S250 PBRT systems from Mevion. The Company has a commitment for the remaining balance for each system. The Company’s first MEVION S250 treated its first patient in April 2016. The Company’s second and third PBRT units require commencement of the installation process in 2019 and 2020. The Company has entered into a partnership agreement (LBE) with a radiation oncology physician group, which has contributed $400,000 towards the deposits on the third machine. The Company currently does not have customer contracts for the second and third units. The Company reviews the carrying value of these deposits for impairment on a quarterly basis, or as events or circumstances might indicate that the carrying value may not be recoverable. The Company has reviewed the deposits, in light of available information, as of December 31, 2017 and has not identified any impairment. See Note 11-Commitments and Contingencies for additional discussion on purchase commitments.