Annual report pursuant to Section 13 and 15(d)

INCOME TAXES (Details 1)

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INCOME TAXES (Details 1) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Deferred tax assets (liabilities):    
Net operating loss carryforwards $ 38,761,000 $ 50,029,000
General business credit carryforwards 3,214,000 3,227,000
State credits 3,012,000 3,089,000
Property, equipment and goodwill (72,000) (28,000)
Stock options 6,316,000 5,122,000
Derivatives (57,000) (57,000)
Deferred revenue 62,000 778,000
Intangible assets 399,000 379,000
Accrued interest 0 156,000
Other 80,000 143,000
Gross deferred tax assets 51,715,000 62,838,000
Valuation allowance (51,715,000) (62,838,000)
Net deferred taxes $ 0 $ 0