Consolidated Statements of Cash Flows (unaudited) (USD $)	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash flows from operating activities:
Net income	$ 1,331,955	$ 2,381,270
Adjustments to reconcile net income to net cash provided By operating activities:
Depreciation and amortization	108,595	32,162
Stock-based compensation expense	10,708	105,449
Deferred tax assets	30,742	1,060
Gain on the sale of fixed assets	(1,150)	0
Changes in operating assets and liabilities:
Accounts receivable	2,961,801	1,178,418
Prepaid expenses and other current assets	(981,700)	(261,387)
Accounts payable and accrued expenses	(66,537)	147,694
Accrued taxes payable	0	382,704
Deferred revenue	(34,565)	(89,761)
Net cash provided by operating activities	3,359,849	3,877,609
Cash flows from investing activities:
Maturity of marketable investments	4,811,964	4,430,000
Purchases of marketable investments	(5,638,002)	(7,276,964)
Proceeds from sale of fixed asset	1,150	0
Net cash used in investing activities	(824,888)	(2,846,964)
Cash flows from financing activities:
Proceeds from stock option exercises	169,000	0
Payments for repurchase of common stock	(750,598)	(396,851)
Excess tax benefits from share-based payment arrangements	1,262,483	0
Net cash used in financing activities	680,885	(396,851)
Increase in cash and cash equivalents	3,215,846	633,794
Cash and cash equivalents at beginning of year	5,624,860	3,383,737
Cash and cash equivalents at end of period	8,840,706	4,017,531
Cash paid during the year for:
Interest	0	0
Taxes	$ 415,000	$ 888,500