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

12 Months Ended

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Segment Reporting Information [Line Items]

Revenues

$ 57,418

$ 60,929

Income (loss) before provision for income taxes

1,819

(5,074)

Total assets

46,051

47,871

Goodwill

2,050

2,832

$ 2,734

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Segment Reporting Information [Line Items]

Income (loss) before provision for income taxes

^[1]

1,819

(5,074)

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Segment Reporting Information [Line Items]

Income (loss) before provision for income taxes

^[2]

1,819

(5,074)

DDS [Member]

Segment Reporting Information [Line Items]

Revenues

43,546

47,840

Total assets

22,334

26,173

Goodwill

0

675

DDS [Member] | Before Intersegment Eliminations [Member]

Segment Reporting Information [Line Items]

Income (loss) before provision for income taxes

^[1]

3,882

(1,177)

DDS [Member] | After Intersegment Eliminations [Member]

Segment Reporting Information [Line Items]

Income (loss) before provision for income taxes

^[2]

3,648

(1,444)

Synodex [Member]

Segment Reporting Information [Line Items]

Revenues

4,063

3,664

Total assets

787

678

Synodex [Member] | Before Intersegment Eliminations [Member]

Segment Reporting Information [Line Items]

Income (loss) before provision for income taxes

^[1]

284

(1,084)

Synodex [Member] | After Intersegment Eliminations [Member]

Segment Reporting Information [Line Items]

Income (loss) before provision for income taxes

^[2]

446

(881)

Agility [Member]

Segment Reporting Information [Line Items]

Revenues

9,809

9,425

Total assets

22,930

21,020

Goodwill

2,050

2,157

Agility [Member] | Before Intersegment Eliminations [Member]

Segment Reporting Information [Line Items]

Income (loss) before provision for income taxes

^[1]

(2,347)

(2,813)

Agility [Member] | After Intersegment Eliminations [Member]

Segment Reporting Information [Line Items]

Income (loss) before provision for income taxes

^[2]

$ (2,275)

$ (2,749)

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

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