XML 25 R13.htm IDEA: XBRL DOCUMENT v3.5.0.2
Note 2 - Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2016
Notes Tables  
Reconciliation of Gross Revenues to Net Revenues [Table Text Block]
    Three Months Ended
June 30,
  Six Months Ended
June 30,
(in thousands)   2016   2015   2016   2015
Gross revenues   $ 2,109     $ 1,457     $ 4,159     $ 2,754  
Less: contractual allowances     (1,235 )     (723 )     (2,467 )     (1,376 )
Net revenue   $ 874     $ 734     $ 1,692     $ 1,378  
Contractual allowances as a percentage of gross revenues     59 %     50 %     59 %     50 %
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
    Three Months Ended
June 30,
  Six Months Ended
June 30,
    2016   2015   2016   2015
Unvested restricted stock units     789,550       506,330       515,444       518,821  
Options to purchase common stock     586,092       176,857       611,927       176,687  
Warrants to purchase common stock     203,214       203,214       203,214       157,678  
Total     1,578,856       886,401       1,330,585       853,186