Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Compensation Expense (Details)

v3.5.0.2
Stock-Based Compensation - Compensation Expense (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Nov. 06, 2015
Sep. 30, 2016
USD ($)
Sep. 30, 2015
USD ($)
Sep. 30, 2016
USD ($)
Sep. 30, 2015
USD ($)
Stock-Based Compensation          
Share based compensation expenses   $ 241 $ 385 $ 479 $ 848
Cost of goods sold.          
Stock-Based Compensation          
Share based compensation expenses   14 35 29 69
Research and development          
Stock-Based Compensation          
Share based compensation expenses   13 24 16 10
Selling, general and administrative          
Stock-Based Compensation          
Share based compensation expenses   $ 214 $ 326 $ 434 $ 769
Reverse Stock Split Member          
Stock-Based Compensation          
Reverse Stock Split Ratio 0.05