| Schedule of quarterly financial data |
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Three months ended
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December 31,
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September 30,
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June 30,
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March 31,
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(in thousands, except per share data)
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2015
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Operating results:
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Total revenues
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$
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52,912
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$
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44,921
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$
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45,087
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$
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47,435
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Cost of product revenues
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31,814
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30,456
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25,732
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24,843
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Gross profit
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21,098
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14,465
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19,355
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22,592
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Other costs and expenses
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38,446
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35,206
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34,827
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28,869
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Interest expense and other income (expense), net
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(5,612)
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3,111
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(4,209)
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(3,727)
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Net loss
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(22,960)
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(17,630)
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(19,681)
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(10,004)
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Per share data:
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Net income - basic and diluted
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$
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(0.47)
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$
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(0.39)
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$
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(3.58)
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$
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(1.89)
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2014
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Operating results:
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Total revenues
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$
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49,884
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$
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46,274
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$
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35,836
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$
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27,295
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Cost of product revenues
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22,662
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20,820
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19,014
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15,900
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Gross profit
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27,222
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25,454
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16,822
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11,395
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Other costs and expenses
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22,849
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20,675
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18,027
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18,677
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Interest expense and other income (expense), net
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(3,119)
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(1,055)
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691
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(2,334)
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Net income (loss)
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1,254
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3,724
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(514)
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(9,616)
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Per share data:
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Net income - basic
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$
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-
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$
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0.04
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$
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(0.11)
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$
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(2.09)
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Net income - diluted
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-
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0.03
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(0.11)
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(2.09)
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