Significant Customers, Geographic Areas, And Business Segments (Narrative) (Details) (USD $)	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012
Revenue, Major Customer [Line Items]
Accounts receivable	$ 6,562,000	$ 6,129,000
Revenue, export sales percentage	78.00%	85.00%
Significant Customer A [Member]
Revenue, Major Customer [Line Items]
Accounts receivable	578,000	312,000
Percentage of Revenues	18.00%	13.00%
Significant Customer B [Member]
Revenue, Major Customer [Line Items]
Accounts receivable	$ 604,000	$ 414,000
Percentage of Revenues	7.00%	12.00%
LaserAlign Customer [Member]
Revenue, Major Customer [Line Items]
Percentage of Revenues	20.00%	18.00%

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.

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=28364263&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=28364263&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

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration