Equity Incentive Awards (Details 1)	12 Months Ended
	Dec. 31, 2017 USD ($) shares
Equity Incentive Awards [Abstract]
Stock Option Exercise Price as Percent of Value of Common Stock	100.00%
Total Shares That May be Issued, Equity Incentive Plan	15,000,000
Options Outstanding, Equity Incentive Plan	4,773,915
Restricted Stock Units Outstanding, Equity Incentive Plan	945,723
Stock Options Exercised, Equity Incentive Plan	1,812,584
Shares Issued Pursuant to Restricted Stock Units, Equity Incentive Plan	1,118,151
Shares Issued Pursuant to Stock Bonus Awards, Equity Incentive Plan	113,940
Total value of shares by nonemployee in a year | $	$ 500,000
Total Shares That May Be Issued, Non-Employee Directors Equity Incentive Plan	600,000
Options Outstanding, Non-Employee Directors Equity Incentive Plan	187,119
Stock Options Exercised, Non-Employee Directors Equity Incentive Plan	0
Shares Issued Pursuant to Restricted Stock Awards, Non-Employee Directors Equity Incentive Plan	82,696
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	5,906,757
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	6,565,872