Warrants (Details) $ / shares in Units, $ in Thousands |
|
12 Months Ended |
|
|
|
|
|
Apr. 12, 2011
$ / shares
shares
|
Dec. 31, 2016
item
$ / shares
shares
|
Dec. 31, 2015
$ / shares
shares
|
Apr. 08, 2013
USD ($)
$ / shares
shares
|
Apr. 11, 2011
$ / shares
|
Apr. 08, 2008
USD ($)
|
| Class of Warrant or Right, Outstanding |
|
9,649,318
|
9,649,318
|
|
|
|
| Class of Warrant or Right, Number of Securities Called by Each Warrant or Right |
|
1
|
|
|
|
|
| Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per share) | $ / shares |
|
$ 11.50
|
|
|
$ 11.50
|
|
| Common Share Price Threshold (in Dollars per share) | $ / shares |
|
$ 17.50
|
|
|
|
|
| Number of consecutive trading days in period ending on third business day prior to sending notice of redemption during which the common stock price must equal or exceed threshold price for any 20 trading days |
|
30 days
|
|
|
|
|
| Exercise Price Floor (in Dollars per share) | $ / shares |
|
|
$ 10.00
|
|
|
|
| Warrants Issued During Period, Number |
|
4,000,000
|
|
|
|
|
| Sponsor Warrants [Member] |
|
|
|
|
|
|
| Warrants Issued During Period, Number |
4,000,000
|
|
|
|
|
|
| Price per warrant sold | $ / shares |
$ 0.75
|
|
|
|
|
|
| Public Warrants [Member] |
|
|
|
|
|
|
| Class of Warrant or Right, Outstanding |
|
4,582,652
|
|
|
|
|
| Class of Warrant or Right, Number of Securities Called by Each Warrant or Right |
|
1
|
|
|
|
|
| Exercise price of warrant if called for redemption | $ / shares |
|
$ 0.01
|
|
|
|
|
| Number of days prior written notice required for redemption |
|
30 days
|
|
|
|
|
| Number of trading days within a 30 day period the common stock price must equal or exceed threshold price |
|
20 days
|
|
|
|
|
| Number of warrants exercisable under certain conditions | item |
|
0
|
|
|
|
|
| Number of fractional shares of common stock that will be issued upon exercise of warrants | item |
|
0
|
|
|
|
|
| Executive Chairman And A Significant Stockholder (Member) | Sponsor Warrants [Member] |
|
|
|
|
|
|
| Number of shares of common stock that may be issued upon exercise of warrants |
|
|
|
1,066,666
|
|
|
| Executive Chairman (Member) |
|
|
|
|
|
|
| Aggregate principal amount of the Note | $ |
|
|
|
|
|
$ 400
|
| Significant Stockholder (Member) |
|
|
|
|
|
|
| Aggregate principal amount of the Note | $ |
|
|
|
$ 400
|
|
|
| Promissory Note |
|
|
|
|
|
|
| Aggregate principal amount of the Note | $ |
|
|
|
$ 800
|
|
|
| Debt Instrument, Convertible, Conversion Price (in Dollars per share) | $ / shares |
|
|
|
$ 0.75
|
|
|