Consolidated Statements of Cash Flows (audited) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Cash flows from operating activities:
Net Income	$ 19,038,000	$ 8,520,000	$ 6,759,000
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred income taxes	2,200,000	415,000	611,000
Depreciation and amortization	3,352,000	2,029,000	1,367,000
Share-based compensation	1,262,000	1,394,000	604,000
Tax benefit for share-based payments	(152,000)	(160,000)	(1,447,000)
Settlement of uncertain tax liability	(6,912,000)	0	0
Changes in assets and liabilities:
Accounts receivable, net	(4,015,000)	82,000	(987,000)
Prepaid income taxes, excluding tax benefit for share-based payments	(4,984,000)	224,000	1,383,000
Prepaid expenses and other current assets	203,000	188,000	94,000
Other assets	127,000	706,000	(87,000)
Accounts payable	75,000	(38,000)	149,000
Accrued and other liabilities	276,000	(1,877,000)	(358,000)
Total adjustments	(8,568,000)	2,963,000	1,329,000
Net cash provided by operating activities	10,470,000	11,483,000	8,088,000
Cash flows from investing activities:
Capital expenditures	(1,532,000)	(1,825,000)	(1,118,000)
Capitalized software development costs	(3,289,000)	(3,012,000)	0
Purchase of investments	(22,019,000)	(73,420,000)	(2,000,000)
Sale and maturity of investments	40,789,000	54,966,000	0
Purchase of business, net of cash acquired	(19,761,000)	(5,761,000)	(19,937,000)
Adjustment to purchase price for previous acquisition	0	(16,000)	0
Net cash provided by (used in) investing activities	(5,812,000)	(29,068,000)	(23,055,000)
Cash flows from financing activities:
Proceeds from stock options and other issuances of stock	827,000	676,000	283,000
Proceeds of common stock offering	0	56,000	26,507,000
Tax benefit for share-based payments	152,000	160,000	1,447,000
Repayment of promissory notes payable	(67,000)	(832,000)	(664,000)
Repayment of promissory note to related parties	0	(2,000,000)	0
Proceeds from borrowings	0	0	844,000
Net cash provided by (used in) financing activities	912,000	(1,940,000)	28,417,000
Net change in cash and cash equivalents	5,570,000	(19,525,000)	13,450,000
Cash and cash equivalents at beginning of period	6,207,000	25,732,000	12,282,000
Cash and cash equivalents at end of period	11,777,000	6,207,000	25,732,000
Supplemental cash flow information:
Cash paid for interest	1,000	20,000	97,000
Cash paid for interest to related party	0	100,000	0
Cash paid for income taxes	10,907,000	4,978,000	2,287,000
Noncash Investing and Financing Activities
Contingent consideration accrued related to previous acquisition	0	0	1,123,000
Amounts payable to related party in connection with purchase of MDSI	0	0	2,000,000
Common stock issued in connection with acquisition of MDSI	0	0	1,907,000
Expenditures for equipment in accounts payable	27,000	0	0
Expenditures for capitalized software in accounts payable	$ 707,000	$ 0	$ 0