Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended				12 Months Ended
	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2016
Net revenue:
Products					$ 33,699	$ 38,339	$ 41,445
Support, maintenance and subscription services					69,068	63,308	60,104
Professional services					24,593	26,031	18,817
Total net revenue	$ 32,056	$ 31,310	$ 30,129	$ 33,865	127,360	127,678	120,366
Cost of goods sold:
Products, inclusive of developed technology amortization					26,381	28,244	23,326
Support, maintenance and subscription services					16,688	16,965	15,394
Professional services					19,874	18,684	13,540
Total cost of goods sold					62,943	63,893	52,260
Gross profit	16,749	15,628	15,370	16,670	$ 64,417	$ 63,785	$ 68,106
Gross profit margin					50.60%	50.00%	56.60%
Operating expenses:
Product development					$ (27,936)	$ (29,048)	$ (26,688)
Sales and marketing					(18,075)	(20,823)	(19,740)
General and administrative					(24,028)	(19,875)	(21,818)
Depreciation of fixed assets					(2,631)	(2,409)	(2,199)
Amortization of intangibles					(1,879)	(1,392)	(1,243)
Restructuring, severance and other charges	557	378	826	37	1,798	1,561	283
Impairments and other fair value adjustments					0	0	180
Legal settlements	0	150	0	0	150	85	268
Total operating expense					76,497	75,193	72,419
Operating loss					(12,080)	(11,408)	(4,313)
Other (income) expense:
Interest income					(98)	(162)	(92)
Interest expense					10	15	29
Other (income) expense, net					(391)	224	(491)
Loss before taxes					(11,601)	(11,485)	(3,759)
Income tax (benefit) expense					(3,251)	236	6
Net loss	$ (210)	$ (1,934)	$ (3,248)	$ (2,958)	$ (8,350)	$ (11,721)	$ (3,765)
Weighted average shares outstanding - basic and diluted					22,801	22,615	22,483
Net loss per share (in dollars per share)	$ (0.01)	$ (0.08)	$ (0.14)	$ (0.13)	$ (0.37)	$ (0.52)	$ (0.17)