CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
shares in Thousands, $ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Allowance for Doubtful Accounts Receivable, Current $ 271 $ 253
Preferred Stock, Shares Authorized 10,000,000 10,000,000
Preferred Stock, Shares Issued 0 0
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 1,436,360 778,501
Common Stock, Shares, Outstanding 1,436,360 778,501