Financing Receivables (Details) (USD $)	9 Months Ended
	Dec. 31, 2013	Mar. 31, 2013
Financing Receivables [Abstract]
Minimum finance receivable deferred payment term	1 year
Financing Receivable, Recorded Investment, Past Due [Line Items]
0-29 days past invoice date	$ 9,019,000	$ 3,311,000
30-90 days past invoice date	581,000	679,000
Greater than 90 days past invoice date	188,000	1,503,000
Unbilled	34,820,000	46,430,000
Total financing receivables	44,608,000	51,923,000
Allowance for credit losses on financing receivables	0	179,000
Pass Rating [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
0-29 days past invoice date		3,311,000
30-90 days past invoice date		679,000
Greater than 90 days past invoice date		1,324,000
Unbilled		46,430,000
Total financing receivables		51,744,000
Pass Rating [Member] | Software products [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
0-29 days past invoice date	9,019,000	3,311,000
30-90 days past invoice date	581,000	679,000
Greater than 90 days past invoice date	188,000	1,324,000
Unbilled	34,820,000	42,659,000
Total financing receivables	44,608,000	47,973,000
Pass Rating [Member] | Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Unbilled		3,771,000
Total financing receivables		3,771,000
Watch Rating [Member] | Software products [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Greater than 90 days past invoice date		179,000
Total financing receivables	$ 0	$ 179,000