The minimum threshold of reporting concentration of credit risk.

No definition available.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 21

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13537-108611

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13531-108611

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 18

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592

+ Details

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- Definition

Percentage of revenue generated from a single external customer that accounts for 10 percent or more of an entity's revenues.

+ References

No definition available.

+ Details

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

+ Details

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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ 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=6880815&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

+ Details

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Organization and Summary of Significant Accounting Policies, Segment Information, Revenue by Customer (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013 Segment	Dec. 31, 2012	Dec. 31, 2011
Organization and Summary of Significant Accounting Policies [Abstract]
Number of Reportable Segments									1
Revenues from External Customers [Line Items]
Revenue	$ 24,477,000	$ 23,359,000	$ 20,125,000	$ 20,202,000	$ 18,877,000	$ 18,176,000	$ 17,313,000	$ 17,588,000	$ 88,163,000	$ 71,954,000	$ 53,839,000
Revenue [Member]
Concentration Risk [Line Items]
Minimum threshold for reporting concentration risk (in hundredths)									10.00%	10.00%	10.00%
Revenue [Member] \| Comcast [Member]
Concentration Risk [Line Items]
Customer concentration risk (in hundredths)									53.00%	35.00%	14.00%
Revenue [Member] \| Office Depot [Member]
Concentration Risk [Line Items]
Customer concentration risk (in hundredths)										12.00%	23.00%
Revenue [Member] \| OfficeMax [Member]
Concentration Risk [Line Items]
Customer concentration risk (in hundredths)										12.00%
Revenue [Member] \| Staples [Member]
Concentration Risk [Line Items]
Customer concentration risk (in hundredths)										10.00%	15.00%
Revenue [Member] \| Office Depot and OfficeMax [Member]
Concentration Risk [Line Items]
Customer concentration risk (in hundredths)									18.00%
Customers Outside United States [Member]
Revenues from External Customers [Line Items]
Maximum revenue (in hundredths)									1.00%
Revenue									$ 38,000	$ 309,000	$ 366,000