Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Compensation Expense (Details)

v3.7.0.1
Stock-Based Compensation - Compensation Expense (Details) - USD ($)
$ in Thousands
3 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Stock-Based Compensation    
Share based compensation expenses $ 154 $ 238
Cost of goods sold.    
Stock-Based Compensation    
Share based compensation expenses 20 15
Research and development    
Stock-Based Compensation    
Share based compensation expenses 7 3
Selling, general and administrative    
Stock-Based Compensation    
Share based compensation expenses $ 127 $ 220