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Balance Sheets (USD $)
Dec. 31, 2014
Dec. 31, 2013
Current Assets:    
Cash and cash equivalents $ 1,845,000us-gaap_CashAndCashEquivalentsAtCarryingValue $ 2,688,000us-gaap_CashAndCashEquivalentsAtCarryingValue
Prepaid expenses 109,000us-gaap_PrepaidExpenseCurrent 118,000us-gaap_PrepaidExpenseCurrent
Total current assets 1,954,000us-gaap_AssetsCurrent 2,806,000us-gaap_AssetsCurrent
Fixed assets, net 263,000us-gaap_PropertyPlantAndEquipmentNet 427,000us-gaap_PropertyPlantAndEquipmentNet
Patents and other intangible assets, net 2,372,000us-gaap_IntangibleAssetsNetExcludingGoodwill 1,459,000us-gaap_IntangibleAssetsNetExcludingGoodwill
Other assets 10,000us-gaap_OtherAssetsNoncurrent 10,000us-gaap_OtherAssetsNoncurrent
Total Assets 4,599,000us-gaap_Assets 4,702,000us-gaap_Assets
Current Liabilities:    
Accounts payable 253,000us-gaap_AccountsPayableCurrent 297,000us-gaap_AccountsPayableCurrent
Accrued compensation and taxes 982,000us-gaap_AccruedLiabilitiesCurrent 586,000us-gaap_AccruedLiabilitiesCurrent
Total current liabilities 1,235,000us-gaap_LiabilitiesCurrent 883,000us-gaap_LiabilitiesCurrent
Long Term Liabilities:    
Long-term accrued compensation and taxes 372,000us-gaap_OtherAccruedLiabilitiesNoncurrent 0us-gaap_OtherAccruedLiabilitiesNoncurrent
Deferred rent 33,000us-gaap_DeferredRentCreditNoncurrent 31,000us-gaap_DeferredRentCreditNoncurrent
Total liabilities 1,640,000us-gaap_Liabilities 914,000us-gaap_Liabilities
Commitments      
Stockholders' Equity:    
Preferred stock, $0.0001 par value, zero shares issued and outstanding 0us-gaap_PreferredStockValue 0us-gaap_PreferredStockValue
Common stock, $0.0001 par value, 9,681,476 and 8,810,674 shares issued and outstanding at December 31, 2014 and 2013, respectively 1,000us-gaap_CommonStockValue 1,000us-gaap_CommonStockValue
Additional paid-in capital 24,218,000us-gaap_AdditionalPaidInCapital 17,751,000us-gaap_AdditionalPaidInCapital
Accumulated deficit (21,260,000)us-gaap_DevelopmentStageEnterpriseDeficitAccumulatedDuringDevelopmentStage (13,964,000)us-gaap_DevelopmentStageEnterpriseDeficitAccumulatedDuringDevelopmentStage
Total stockholders' equity 2,959,000us-gaap_StockholdersEquity 3,788,000us-gaap_StockholdersEquity
Total Liabilities and Stockholders' Equity $ 4,599,000us-gaap_LiabilitiesAndStockholdersEquity $ 4,702,000us-gaap_LiabilitiesAndStockholdersEquity