Quarterly Results (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								6 Months Ended	12 Months Ended
	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Sep. 30, 2013	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2014
Quarterly Financial Information Disclosure [Abstract]
Net revenue	$ 31,924	$ 31,307	$ 29,644	$ 27,491	$ 28,708	$ 24,742	$ 26,318	$ 23,746		$ 120,366	$ 103,514	$ 101,261
Gross profit	17,607	16,508	17,591	16,399	14,610	14,129	16,669	14,674		68,106	60,081	64,040
Asset impairments and related charges	355	0	(175)	0	1,836	0	0	0		87	3,454	327
Increase (Decrease) in Fair Value Adjustments on Other Assets (Liabilities) Carried at Fair Value under Fair Value Option										180	1,482	1,392
Legal settlements	336	8	(15)	(46)	0	0	54	149		283	1,836	327
Loss from continuing operations										(3,765)	(11,497)	(2,895)
Income from discontinued operations, net of taxes									$ 19,992	0	0	19,992
Net (loss) income	$ (1,538)	$ (1,673)	$ (370)	$ (185)	$ (5,426)	$ (2,715)	$ (1,127)	$ (2,229)		$ (3,765)	$ (11,497)	$ 17,097
Net (loss) income per share - basic (in dollars per share)	$ (0.1)	$ (0.07)	$ (0.02)	$ (0.01)						$ (0.17)
Loss from continuing operations (in dollars per share)										(0.17)	$ (0.51)	$ (0.13)
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic and Diluted Share										(0.00)	(0.00)	(0.90)
Earnings Per Share, Basic and Diluted										$ (0.17)	$ (0.51)	$ 0.77