Consolidated Statements of Cash Flows - USD ($)	3 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash flows from Operating Activities
Net Income	$ 6,900,000	$ 8,299,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	4,945,000	4,117,000
Loss (gain) on disposal of assets	(1,000)	5,000
Stock compensation expense	616,000	717,000
Write-off of uncollectible accounts	304,000	355,000
Deferred income tax	(209,000)	(278,000)
Changes in operating assets and liabilities
Accounts receivable	323,000	(312,000)
Customer deposits	(1,488,000)	3,137,000
Prepaid taxes and expenses	4,992,000	929,000
Other assets	148,000	110,000
Accounts and taxes payable	1,580,000	975,000
Accrued liabilities	(2,986,000)	(8,380,000)
Net cash provided by operating activities	15,124,000	9,674,000
Cash Flows from Investing Activities
Investment in private equity	(600,000)	(800,000)
Purchase of property and equipment	(4,696,000)	(4,588,000)
Net cash (used in) investing activities	(5,296,000)	(5,388,000)
Cash Flows from Financing Activities
Purchase of treasury stock	(9,076,000)	(5,725,000)
Tax effect of stock option exercises	215,000	282,000
Exercise of common stock options	619,000	425,000
Net cash (used in) financing activities	(8,242,000)	(5,018,000)
(Decrease) increase in cash and cash equivalents	1,586,000	(732,000)
Cash and cash equivalents at beginning of period	25,516,000	34,866,000
Cash and cash equivalents at end of period	27,102,000	34,134,000
Supplemental Cash Flow Information:
Income taxes paid	$ 161,000	183,000
Purchase of software license under finance agreement		$ 1,172,000