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The Company and Basis of Presentation - Additional Information (Details) (USD $)	6 Months Ended
	Jun. 30, 2014 Market	Dec. 31, 2013	Jun. 30, 2013	Dec. 31, 2012
Accounting Policies [Abstract]
Number of market for products	50
Cash and cash equivalents	$ 18,983,000	$ 21,345,000	$ 12,948,000	$ 22,241,000
Anticipated cash flow from operations and other working capital	$ 39,800,000

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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