Summary of Significant Accounting Policies - EPS (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Numerator:
Net loss	$ (2,940)	$ (3,652)
Denominator:
Weighted-average common shares outstanding (in shares)	27,885,588	27,481,624
Weighted-average effect of assumed conversion of stock options and restricted shares (in shares)	0	0
Weighted-average common shares and common share equivalents outstanding (in shares)	27,885,588	27,481,624
Net income (loss) per common share:
Basic net income (loss) per share attributable to common shareholders (in dollars per share)	$ (0.11)	$ (0.13)
Diluted net income (loss) per share (in dollars per share)	$ (0.11)	$ (0.13)