Revenue (Tables)

3 Months Ended

Mar. 31, 2020

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following tables present our revenues for the three months ended March 31, 2020 and 2019, disaggregated by major source (in thousands):

	Three Months Ended March 31, 2020
	Diagnostic Services		Diagnostic Imaging		Mobile Healthcare		Building and Construction		Real Estate and Investments		Total
Major Goods/Service Lines
Mobile Imaging	$	10,602	$	—	$	7,261	$	—	$	—	$	17,863
Camera	—		1,339		—		—		—		1,339
Camera Support	—		1,522		—		—		—		1,522
Healthcare Revenue from Contracts with Customers	10,602		2,861		7,261		—		—		20,724
Lease Income	212		—		2,406		84		—		2,702
Building and Construction	—		—		—		5,400		—		5,400
Real Estate and Investments	—		—		—		—		31		31
Total Revenues	$	10,814	$	2,861	$	9,667	$	5,484	$	31	$	28,857
Timing of Revenue Recognition
Services and goods transferred over time	$	10,814	$	1,487	$	9,574	$	84	$	—	$	21,959
Services and goods transferred at a point in time	—		1,374		93		5,400		31		6,898
Total Revenues	$	10,814	$	2,861	$	9,667	$	5,484	$	31	$	28,857

	Three Months Ended March 31, 2019
	Diagnostic Services		Diagnostic Imaging		Mobile Healthcare		Total
Major Goods/Service Lines
Mobile Imaging	$	11,585	$	—	$	7,494	$	19,079
Camera	—		804		—		804
Camera Support	—		1,719		—		1,719
Healthcare Revenue from Contracts with Customers	11,585		2,523		7,494		21,602
Lease Income	141		—		2,169		2,310
Building and construction	—		—		—		—
Real Estate and Investments	—		—		—		—
Total Revenues	$	11,726	$	2,523	$	9,663	$	23,912
Timing of Revenue Recognition
Services and goods transferred over time	$	11,726	$	1,551	$	9,525	$	22,802
Services and goods transferred at a point in time	—		972		138		1,110
Total Revenues	$	11,726	$	2,523	$	9,663	$	23,912

Changes in Deferred Revenue

Changes in the deferred revenues for three months ended March 31, 2020, is as follows (in thousands):

Balance at December 31, 2019	$	1,801
Revenue recognized that was included in balance at beginning of the year	(778)
Deferred revenue, net, related to contracts entered into during the year	623
Balance at March 31, 2020	$	1,646