Consolidated Balance Sheets [Parenthetical] (USD $)	Jun. 30, 2014	Dec. 31, 2013
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment (in dollars)	$ 559,000	$ 473,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	445,000,000us-gaap_CommonStockSharesAuthorized	445,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued	187,159,093us-gaap_CommonStockSharesIssued	182,535,562us-gaap_CommonStockSharesIssued
Common stock, shares outstanding	187,159,093us-gaap_CommonStockSharesOutstanding	182,535,562us-gaap_CommonStockSharesOutstanding
Patents [Member]
Finite-Lived Intangible Assets, Accumulated Amortization	108,000	93,000
Series B Redeemable Convertible Preferred Stock [Member]
Temporary Equity, Par or Stated Value Per Share (in dollars per share)	$ 0.01	$ 0.01
Temporary Equity, shares authorized	10,000,000	10,000,000
Temporary Equity, shares issued	8,671,000	8,859,978
Temporary Equity, shares outstanding	8,671,000	8,859,978
Temporary Equity, Liquidation Preference	$ 13,390,000	$ 13,022,000

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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