STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock, Shares	Common Stock, Additional Paid-in Capital	Treasury Stock	Shareholder Notes Receivable	Retained Earnings (Deficit)
Shareholders' equity, beginning of period at Mar. 31, 2016	$ 45,983		$ 152,140	$ (36,075)	$ (4)	$ (70,078)
Shareholders' equity, beginning of period (Shares) at Mar. 31, 2016		27,767,138
Issuance of stock for services	156		156
Issuance of stock services (shares)		110,566
Shares issued under Employee Stock Purchase Plan	8			8
Shares issued under Employee Stock Purchase Plan (shares)		5,156
Stock-based compensation	1,605		1,605
Stock-based compensation (shares)		444,102
Employee tax withholdings on stock-based compensation	(14)			(14)
Employee tax withholdings on stock-based compensation (shares)		(9,472)
Net loss	(12,288)					(12,288)
Shareholders' equity, end of period at Mar. 31, 2017	35,450		153,901	(36,081)	(4)	(82,366)
Shareholders' equity, at end of period (shares) at Mar. 31, 2017		28,317,490
Issuance of stock services (shares)		24,747
Shares issued under Employee Stock Purchase Plan	$ 11			11
Shares issued under Employee Stock Purchase Plan (shares)	10,057	10,057
Stock-based compensation	$ 1,102		1,102
Stock-based compensation (shares)		612,601
Employee tax withholdings on stock-based compensation	(11)			(11)
Employee tax withholdings on stock-based compensation (shares)		(10,482)
Collection of Stockholders Notes				(4)	$ 4
Collections on stockholder notes (shares)		(1,230)
Net loss	(13,128)					(13,128)
Shareholders' equity, end of period at Mar. 31, 2018	$ 23,424		155,003	(36,085)		(95,494)
Shareholders' equity, at end of period (shares) at Mar. 31, 2018	28,953,183	28,953,183
Shares issued under Employee Stock Purchase Plan	$ 4			4
Shares issued under Employee Stock Purchase Plan (shares)	4,642	4,642
Stock-based compensation	$ 825		825
Stock-based compensation (shares)		653,394
Collection of Stockholders Notes	(10)			(10)
Collections on stockholder notes (shares)		11,061
Cumulative effect of accounting change | ASC 606	401					401
Net loss	(6,674)					(6,674)
Shareholders' equity, end of period at Mar. 31, 2019	$ 17,970		$ 155,828	$ (36,091)		$ (101,767)
Shareholders' equity, at end of period (shares) at Mar. 31, 2019	29,600,158	29,600,158