XML 101 R87.htm IDEA: XBRL DOCUMENT v3.20.1
Note 13 - Capital Stock - Stock Option and Restricted Stock Unit Activity (Details) - $ / shares
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Opening Balance, Stock Options Outstanding (in shares) 1,956,732 3,780,244
Options, Outstanding, Weighted Average Exercise Price (in dollars per share) $ 4.25 $ 3.95
Options, Granted in Period (in shares) 943,424 104,585
Options, Granted in Period, Weighted Average Exercise Price (in dollars per share) $ 3.28 $ 4.48
Options, Exercised in Period (in shares) (3,750) (1,696,255)
Options, Exercised in Period, Weighted Average Exercise Price (in dollars per share) $ 2.98 $ 3.50
Options, Cancelled / Forfeited in Period (in shares) (630,284) (231,842)
Options, Cancelled / Forfeited, Weighted Average Exercise Price (in dollars per share) $ 3.96 $ 4.96
Opening Balance, Stock Options Outstanding (in shares) 2,266,122 1,956,732
Options, Outstanding, Weighted Average Exercise Price (in dollars per share) $ 3.93 $ 4.25
Restricted Stock Units (RSUs) [Member]    
Restricted Stock Units Outstanding , Balance (in shares) 1,233,762 1,796,927
Restricted Stock Units Outstanding , Grant Date Fair Value, Balance (in dollars per share) $ 3.36 $ 2.69
Restricted Stock Units, Granted in Period (in shares) 1,652,720 639,126
Restricted Stock Units Granted , Grant Date Fair Value, Balance (in dollars per share) $ 2.31 $ 4.31
Restricted Stock Units, Vested in Period (in shares) (813,762) (845,326)
Restricted Stock Units, Vested , Grant Date Fair Value, Balance (in dollars per share) $ 3.29 $ 2.88
Restricted Stock Units, Cancelled / Forfeited in Period (in shares) (482,270) (356,965)
Restricted Stock Units, Cancelled/ Forfeited , Grant Date Fair Value, Balance (in dollars per share) $ 3.42 $ 2.84
Restricted Stock Units Outstanding , Balance (in shares) 1,590,450 1,233,762
Restricted Stock Units Outstanding , Grant Date Fair Value, Balance (in dollars per share) $ 2.27 $ 3.36
Market Condition Restricted Stock Units [Member]    
Restricted Stock Units Outstanding , Balance (in shares) 116,944 164,127
Restricted Stock Units Outstanding , Grant Date Fair Value, Balance (in dollars per share) $ 4.19 $ 4.81
Restricted Stock Units, Granted in Period (in shares) 605,005 156,944
Restricted Stock Units Granted , Grant Date Fair Value, Balance (in dollars per share) $ 1.98 $ 4.19
Restricted Stock Units, Vested in Period (in shares) (3,778) (69,667)
Restricted Stock Units, Vested , Grant Date Fair Value, Balance (in dollars per share) $ 4.19 $ 4.81
Restricted Stock Units, Cancelled / Forfeited in Period (in shares) (188,680) (134,460)
Restricted Stock Units, Cancelled/ Forfeited , Grant Date Fair Value, Balance (in dollars per share) $ 4.18 $ 4.63
Restricted Stock Units Outstanding , Balance (in shares) 529,491 116,944
Restricted Stock Units Outstanding , Grant Date Fair Value, Balance (in dollars per share) $ 1.67 $ 4.19