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11. Stock-Based Compensation (Details) - Options
 12 Months Ended
Dec. 31, 2015
$ / shares
shares
Number of Shares Available, Beginning 5
Number of Share Authorized 200
Number of Shares Granted (235)
Number of Shares Exercised 0
Number of Shares Forfeited/Expired 125
Number of Shares Available, Ending 95
Number Outstanding, Beginning 1,015
Number of Shares Granted 235
Number of Shares Exercised (145)
Number of Shares Forfeited (125)
Number of Shares Outstanding, Ending 980
Weighted Average Exercise Price Outstanding, Beginning | $ / shares $ 5.52
Weighted Average Exercise Price Authorized | $ / shares 0.00
Weighted Average Exercise Price Granted | $ / shares 3.83
Weighted Average Exercise Price Exercised | $ / shares 2.72
Weighted Average Exercise Price Forfeited | $ / shares 3.64
Weighted Average Exercise Price Outstanding, Ending | $ / shares $ 5.76