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

3 Months Ended

Mar. 31, 2018

Mar. 31, 2017

Dec. 31, 2017

Dec. 31, 2016

Segment Reporting Information [Line Items]

Revenues

$ 14,120

$ 14,953

Income (loss) before provision for income taxes

306

(1,383)

Total assets

46,555

$ 47,871

Goodwill

2,834

2,747

2,832

$ 2,734

Before Intersegment Eliminations [Member]

Segment Reporting Information [Line Items]

Income (loss) before provision for income taxes

^[1]

306

(1,383)

After Intersegment Eliminations [Member]

Segment Reporting Information [Line Items]

Income (loss) before provision for income taxes

^[2]

306

(1,383)

DDS [Member]

Segment Reporting Information [Line Items]

Revenues

10,477

11,633

Total assets

23,120

26,173

Goodwill

675

675

DDS [Member] | Before Intersegment Eliminations [Member]

Segment Reporting Information [Line Items]

Income (loss) before provision for income taxes

^[1]

656

(179)

DDS [Member] | After Intersegment Eliminations [Member]

Segment Reporting Information [Line Items]

Income (loss) before provision for income taxes

^[2]

590

(725)

Synodex [Member]

Segment Reporting Information [Line Items]

Revenues

981

724

Total assets

466

678

Synodex [Member] | Before Intersegment Eliminations [Member]

Segment Reporting Information [Line Items]

Income (loss) before provision for income taxes

^[1]

(35)

(1,042)

Synodex [Member] | After Intersegment Eliminations [Member]

Segment Reporting Information [Line Items]

Income (loss) before provision for income taxes

^[2]

7

(506)

Agility [Member]

Segment Reporting Information [Line Items]

Revenues

2,662

2,596

Total assets

22,969

21,020

Goodwill

2,159

$ 2,157

Agility [Member] | Before Intersegment Eliminations [Member]

Segment Reporting Information [Line Items]

Income (loss) before provision for income taxes

^[1]

(315)

(162)

Agility [Member] | After Intersegment Eliminations [Member]

Segment Reporting Information [Line Items]

Income (loss) before provision for income taxes

^[2]

$ (291)

$ (152)

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

X

- 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(12))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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- Definition

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 940
-SubTopic 20
-Section 25
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=68072869&loc=d3e41242-110953

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Section S99
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-URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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+ References

No definition available.

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