Consolidated Statements of Cash Flows - Unaudited - USD ($)	3 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash Flows from Operating Activities
NET INCOME	$ 8,775,000	$ 7,491,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	5,303,000	5,051,000
Loss on write down or disposal of property, capitalized software or investment	288,000	7,000
Stock compensation expense	922,000	516,000
Provision for doubtful accounts	276,000	386,000
Deferred income tax	(328,000)	(193,000)
Changes in operating assets and liabilities
Accounts receivable	(203,000)	(1,341,000)
Customer deposits	741,000	1,139,000
Prepaid taxes and expenses	38,000	(1,582,000)
Other assets	178,000	71,000
Accounts and taxes payable	4,096,000	2,618,000
Accrued liabilities	1,293,000	(6,020,000)
Net cash provided by operating activities	21,379,000	8,143,000
Cash Flows from Investing Activities
Purchase of property and equipment	(5,299,000)	(5,285,000)
Net cash (used in) investing activities	(5,299,000)	(5,285,000)
Cash Flows from Financing Activities
Purchase of treasury stock	(11,187,000)	(1,648,000)
Tax effect of stock option exercises	768,000	743,000
Exercise of common stock options	737,000	1,502,000
Net cash provided by (used in) financing activities	(9,682,000)	597,000
Increase in cash and cash equivalents	6,398,000	3,455,000
Cash and cash equivalents at beginning of period	28,611,000	32,779,000
Cash and cash equivalents at end of period	35,009,000	36,234,000
Supplemental Cash Flow Information:
Income taxes paid	152,000	1,818,000
Purchase of software license under finance agreement	$ 0	$ 2,166,000