Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.19.1
Consolidated Balance Sheets (Parenthetical) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Common Stock, Par or Stated Value Per Share $ 0.0001 $ 0.0001
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares, issued 7,592,911 7,504,133
Common stock, shares, outstanding 7,592,911 7,504,133
Redeemable Preferred Stock [Member]    
Temporary Equity, Par or Stated Value Per Share $ 0.0001 $ 0.0001
Temporary Equity, Shares Authorized 1,000,000 1,000,000
Temporary Equity, Shares Issued 0 280,000
Temporary Equity, Shares Outstanding 0 280,000
Temporary Equity, Aggregate Amount of Redemption Requirement $ 0 $ 7,853