Annual report pursuant to Section 13 and 15(d)

BALANCE SHEETS [Parenthetical]

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BALANCE SHEETS [Parenthetical] - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Preferred Stock, Par or Stated Value Per Share (in dollars per share) $ 0.001 $ 0.001
Preferred Stock, Shares Authorized 5,000,000 5,000,000
Preferred Stock, Shares Issued 0 0
Preferred Stock, Shares Outstanding 0 0
Common Stock, Par or Stated Value Per Share (in dollars per share) $ 0.001 $ 0.001
Common Stock, Shares Authorized 125,000,000 125,000,000
Common Stock, Shares, Issued 13,010,292 3,533,958
Common Stock, Shares, Outstanding 13,010,292 3,533,958
Debt Instrument, Unamortized Discount, Current $ 123,000  
Debt Instrument, Unamortized Discount, Noncurrent $ 543,000 $ 497,000