Consolidated Statements of Cash Flows - Unaudited - USD ($)	3 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash Flows from Operating Activities
NET INCOME	$ 13,407,000	$ 11,778,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	8,967,000	5,633,000
Loss on write down or disposal of property, capitalized software or investment	24,000	(49,000)
Stock compensation expense	1,225,000	1,179,000
Provision for doubtful accounts	198,000	1,313,000
Deferred income tax	(306,000)	(294,000)
Changes in operating assets and liabilities
Accounts receivable	4,297,000	(2,497,000)
Customer deposits	1,600,000	(199,000)
Prepaid taxes and expenses	501,000	(887,000)
Other assets	(904,000)	17,000
Accounts and taxes payable	7,866,000	2,538,000
Accrued liabilities	2,160,000	4,274,000
Operating lease liability	(12,673,000)	0
Net cash provided by operating activities	26,362,000	22,806,000
Cash Flows from Investing Activities
Purchase of property and equipment	(8,030,000)	(2,969,000)
Net cash (used in) investing activities	(8,030,000)	(2,969,000)
Cash Flows from Financing Activities
Purchase of treasury stock	(9,119,000)	(3,486,000)
Exercise of common stock options	3,499,000	1,218,000
Net cash (used in) financing activities	(5,620,000)	(2,268,000)
Increase in cash and cash equivalents	12,712,000	17,569,000
Cash and cash equivalents at beginning of period	91,713,000	55,771,000
Cash and cash equivalents at end of period	104,425,000	73,340,000
Supplemental Cash Flow Information:
Income taxes paid	310,000	56,000
Purchase of software license under finance agreement	$ 5,685,000	$ 0