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Segment Reporting and Concentrations (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019	Dec. 31, 2018
Segment reporting information
Revenues	$ 13,863	$ 13,639	$ 28,393	$ 27,333
Income (loss) before provision for income taxes	(381)	(561)	(330)	(1,040)
Total assets	51,328		51,328		$ 49,746
Goodwill	2,026	2,095	2,026	2,095	2,108	$ 2,050
Before Intersegment Eliminations [Member]
Segment reporting information
Income (loss) before provision for income taxes	(381)	(561)	(330)	(1,040)
After Intersegment Eliminations [Member]
Segment reporting information
Income (loss) before provision for income taxes	(381)	(561)	(330)	(1,040)
DDS [Member]
Segment reporting information
Revenues	9,858	10,052	20,267	20,229
Total assets	25,085		25,085		23,196
DDS [Member] \| Before Intersegment Eliminations [Member]
Segment reporting information
Income (loss) before provision for income taxes	(56)	153	73	227
DDS [Member] \| After Intersegment Eliminations [Member]
Segment reporting information
Income (loss) before provision for income taxes	(126)	94	(67)	106
Synodex [Member]
Segment reporting information
Revenues	1,201	915	2,483	1,939
Total assets	500		500		675
Synodex [Member] \| Before Intersegment Eliminations [Member]
Segment reporting information
Income (loss) before provision for income taxes	81	(130)	277	(11)
Synodex [Member] \| After Intersegment Eliminations [Member]
Segment reporting information
Income (loss) before provision for income taxes	125	(91)	366	68
Agility [Member]
Segment reporting information
Revenues	2,804	2,672	5,643	5,165
Total assets	25,743		25,743		25,875
Goodwill	2,026		2,026		$ 2,108
Agility [Member] \| Before Intersegment Eliminations [Member]
Segment reporting information
Income (loss) before provision for income taxes	(406)	(584)	(680)	(1,256)
Agility [Member] \| After Intersegment Eliminations [Member]
Segment reporting information
Income (loss) before provision for income taxes	$ (380)	$ (564)	$ (629)	$ (1,214)