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Segment Reporting and Concentrations (Details) - USD ($)
$ in Thousands

3 Months Ended

Mar. 31, 2019

Mar. 31, 2018

Dec. 31, 2018

Dec. 31, 2017

Segment Reporting Information [Line Items]

Revenues

$ 13,694

$ 14,120

Income (loss) before provision for income taxes

(479)

306

Total assets

52,680

$ 46,051

Goodwill

2,089

2,834

2,050

$ 2,832

Before Intersegment Eliminations [Member]

Segment Reporting Information [Line Items]

Income (loss) before provision for income taxes

^[1]

(479)

306

After Intersegment Eliminations [Member]

Segment Reporting Information [Line Items]

Income (loss) before provision for income taxes

^[2]

(479)

306

DDS [Member]

Segment Reporting Information [Line Items]

Revenues

10,177

10,477

Total assets

26,480

22,334

DDS [Member] | Before Intersegment Eliminations [Member]

Segment Reporting Information [Line Items]

Income (loss) before provision for income taxes

^[1]

74

656

DDS [Member] | After Intersegment Eliminations [Member]

Segment Reporting Information [Line Items]

Income (loss) before provision for income taxes

^[2]

12

590

Synodex [Member]

Segment Reporting Information [Line Items]

Revenues

1,024

981

Total assets

382

787

Synodex [Member] | Before Intersegment Eliminations [Member]

Segment Reporting Information [Line Items]

Income (loss) before provision for income taxes

^[1]

119

(35)

Synodex [Member] | After Intersegment Eliminations [Member]

Segment Reporting Information [Line Items]

Income (loss) before provision for income taxes

^[2]

159

7

Agility [Member]

Segment Reporting Information [Line Items]

Revenues

2,493

2,662

Total assets

25,818

22,930

Goodwill

2,089

$ 2,050

Agility [Member] | Before Intersegment Eliminations [Member]

Segment Reporting Information [Line Items]

Income (loss) before provision for income taxes

^[1]

(672)

(315)

Agility [Member] | After Intersegment Eliminations [Member]

Segment Reporting Information [Line Items]

Income (loss) before provision for income taxes

^[2]

$ (650)

$ (291)

[1]	Before elimination of inter-segment profits
[2]	After elimination of inter-segment profits

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- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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