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

3 Months Ended

9 Months Ended

Sep. 30, 2018

Sep. 30, 2017

Sep. 30, 2018

Sep. 30, 2017

Dec. 31, 2017

Dec. 31, 2016

Segment Reporting Information [Line Items]

Revenues

$ 14,049

$ 15,018

$ 42,439

$ 45,271

Income (loss) before provision for income taxes

1,162

(885)

1,457

(2,411)

Total assets

46,108

46,108

$ 47,871

Goodwill

2,122

2,839

2,122

2,839

2,832

$ 2,734

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Segment Reporting Information [Line Items]

Income (loss) before provision for income taxes

^[1]

1,162

(885)

1,457

(2,411)

After Intersegment Eliminations [Member]

Segment Reporting Information [Line Items]

Income (loss) before provision for income taxes

^[2]

1,162

(885)

1,457

(2,411)

DDS [Member]

Segment Reporting Information [Line Items]

Revenues

10,756

11,841

32,059

35,614

Total assets

23,430

23,430

26,173

Goodwill

0

0

675

DDS [Member] | Before Intersegment Eliminations [Member]

Segment Reporting Information [Line Items]

Income (loss) before provision for income taxes

^[1]

1,731

887

2,843

1,870

DDS [Member] | After Intersegment Eliminations [Member]

Segment Reporting Information [Line Items]

Income (loss) before provision for income taxes

^[2]

1,673

310

2,663

193

Synodex [Member]

Segment Reporting Information [Line Items]

Revenues

1,013

969

3,008

2,564

Total assets

495

495

678

Synodex [Member] | Before Intersegment Eliminations [Member]

Segment Reporting Information [Line Items]

Income (loss) before provision for income taxes

^[1]

91

(826)

144

(2,618)

Synodex [Member] | After Intersegment Eliminations [Member]

Segment Reporting Information [Line Items]

Income (loss) before provision for income taxes

^[2]

132

(270)

266

(989)

Agility [Member]

Segment Reporting Information [Line Items]

Revenues

2,280

2,208

7,372

7,093

Total assets

22,183

22,183

21,020

Goodwill

2,122

2,122

$ 2,157

Agility [Member] | Before Intersegment Eliminations [Member]

Segment Reporting Information [Line Items]

Income (loss) before provision for income taxes

^[1]

(660)

(946)

(1,530)

(1,663)

Agility [Member] | After Intersegment Eliminations [Member]

Segment Reporting Information [Line Items]

Income (loss) before provision for income taxes

^[2]

$ (643)

$ (925)

$ (1,472)

$ (1,615)

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

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- Definition

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