Quarterly report pursuant to Section 13 or 15(d)

INTERIM FINANCIAL STATEMENTS (Details)

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INTERIM FINANCIAL STATEMENTS (Details) (USD $)
Mar. 31, 2015
Dec. 31, 2014
INTERIM FINANCIAL STATEMENTS [Abstract]    
Cash and liquid investments $ 22,104,000us-gaap_InvestmentsAndCash  
Working capital 21,347,000appy_WorkingCapital  
Stockholders' equity 21,932,152us-gaap_StockholdersEquity 23,685,123us-gaap_StockholdersEquity
Accumulated deficit $ 99,011,247us-gaap_RetainedEarningsAccumulatedDeficit $ 96,824,874us-gaap_RetainedEarningsAccumulatedDeficit