Revenue (Tables)

9 Months Ended

Sep. 30, 2020

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following tables present our revenues for the three and nine months ended September 30, 2020 and 2019, disaggregated by major source (in thousands):

	Three Months Ended September 30, 2020
	Diagnostic Services		Diagnostic Imaging		Mobile Healthcare		Building and Construction		Real Estate and Investments		Total
Major Goods/Service Lines
Mobile Imaging	$	10,590	$	—	$	7,388	$	—	$	—	$	17,978
Camera	—		540		—		—		—		540
Camera Support	—		1,508		—		—		—		1,508
Healthcare Revenue from Contracts with Customers	10,590		2,048		7,388		—		—		20,026
Lease Income	121		—		1,647		56		—		1,824
Building and Construction	—		—		—		8,486		—		8,486
Real Estate and Investments	—		—		—		—		17		17
Total Revenues	$	10,711	$	2,048	$	9,035	$	8,542	$	17	$	30,353
Timing of Revenue Recognition
Services and goods transferred over time	$	10,711	$	1,439	$	8,959	$	57	$	—	$	21,166
Services and goods transferred at a point in time	—		609		76		8,485		17		9,187
Total Revenues	$	10,711	$	2,048	$	9,035	$	8,542	$	17	$	30,353

	Three Months Ended September 30, 2019
	Diagnostic Services		Diagnostic Imaging		Mobile Healthcare		Building and Construction		Real Estate and Investments		Total
Major Goods/Service Lines
Mobile Imaging	$	11,476	$	—	$	7,940	$	—	$	—	$	19,416
Camera	—		1,682		—		—		—		1,682
Camera Support	—		1,669		—		—		—		1,669
Healthcare Revenue from Contracts with Customers	11,476		3,351		7,940		—		—		22,767
Lease Income	194		—		2,635		7		—		2,836
Building and Construction	—		—		—		2,722		—		2,722
Real Estate and Investments	—		—		—		—		8		8
Total Revenues	$	11,670	$	3,351	$	10,575	$	2,729	$	8	$	28,333
Timing of Revenue Recognition
Services and goods transferred over time	$	11,670	$	1,521	$	10,458	$	7	$	—	$	23,656
Services and goods transferred at a point in time	—		1,830		117		2,722		8		4,677
Total Revenues	$	11,670	$	3,351	$	10,575	$	2,729	$	8	$	28,333

	Nine Months Ended September 30, 2020
	Diagnostic Services		Diagnostic Imaging		Mobile Healthcare		Building and Construction		Real Estate and Investments		Total
Major Goods/Service Lines
Mobile Imaging	$	28,181	$	—	$	20,575	$	—	$	—	$	48,756
Camera	—		2,553		—		—		—		2,553
Camera Support	—		4,689		—		—		—		4,689
Healthcare Revenue from Contracts with Customers	28,181		7,242		20,575		—		—		55,998
Lease Income	484		—		5,959		203		—		6,646
Building and construction	—		—		—		18,858		—		18,858
Real Estate and Investments	—		—		—		—		50		50
Total Revenues	$	28,665	$	7,242	$	26,534	$	19,061	$	50	$	81,552
Timing of Revenue Recognition
Services and goods transferred over time	$	28,665	$	4,444	$	26,308	$	203	$	—	$	59,620
Services and goods transferred at a point in time	—		2,798		226		18,858		50		21,932
Total Revenues	$	28,665	$	7,242	$	26,534	$	19,061	$	50	$	81,552

Changes in Deferred Revenue

Changes in the deferred revenues for nine months ended September 30, 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	(1,390)
Deferred revenue, net, related to contracts entered into during the year	1,890
Balance at September 30, 2020	$	2,301