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CONDENSED STATEMENTS OF CASH FLOWS DATA (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Supplemental Operating Activities:
Issuance of common stock for 401(k) matching contributions		$ 313
Supplemental Investing Activities:
Net unrealized gain (loss) on marketable securities	$ 34	$ (6)

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- Definition

This item represents the pretax change in net unrealized holding gain (loss) on available-for-sale securities that has been included in accumulated other comprehensive income, a separate component of shareholders' equity, during the period.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 320



-SubTopic 10



-Section 50



-Paragraph 9



-Subparagraph (d)



-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563

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Value of shares issued during the period to an employee benefit plan, such as a defined contribution or defined benefit plan.

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