Other Assets - Additional Information (Details) (USD $)	3 Months Ended
	Dec. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Capitalized software development costs, net of accumulated amortization of $14,918 and $10,547, respectively, and accumulated impairment	$ 19,643,000		$ 13,660,000
Technology license	1,678,000		2,350,000
Long-term deposits	860,000		682,000
Other long-term assets	1,092,000		1,245,000
Total other long-term assets	23,273,000		17,937,000
Accumulated amortization of capitalized software development costs	14,918,000		10,547,000
Capitalized software development costs associated with software solution		1,800,000
Net of tax impact of abandoning the project and writing off its net book value (diluted per share amount)		$ 0.03
Write off of equity investment no longer realizable, net book value	400,000
Research and development [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, net		$ 1,800,000