CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash Flows from Operating Activities:
Net loss	$ (1,126,125)	$ (1,742,684)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Stock-based compensation expense	446,630	420,522
Provision for doubtful accounts	43,821	(25,761)
Depreciation and amortization	735,861	943,056
Restructuring and other charges	0	393,195
Deferred rent	(81,286)	(80,633)
Gain on disposition of assets	0	(56,586)
Changes in operating assets and liabilities:
Accounts receivable	794,719	720,575
Other receivables	(139,890)	367,768
Prepaid expenses and other current assets	(49,256)	179,754
Other intangibles	(9,675)	0
Other assets	(21,254)	(11,881)
Accounts payable	543,427	(1,373,427)
Accrued expenses	(656,435)	(1,169,674)
Deferred revenue	1,901,500	1,419,780
Other current liabilities	40,141	(24,657)
Net cash provided by (used in) operating activities	2,422,178	(40,653)
Cash Flows from Investing Activities:
Sale and maturity of marketable securities	3,304,864	6,278,012
Capital expenditures	(340,785)	(196,721)
Proceeds from the disposition of assets	0	56,586
Net cash provided by investing activities	2,964,079	6,137,877
Cash Flows from Financing Activities:
Cash dividends paid on common stock	(860,016)	0
Cash dividends paid on preferred stock	(96,424)	0
Proceeds from the exercise of stock options	118,546	0
Shares withheld on RSU vesting to pay for withholding taxes	(33,783)	(125,067)
Net cash used in financing activities	(871,677)	(125,067)
Net increase in cash and cash equivalents	4,514,580	5,972,157
Cash and cash equivalents, beginning of period	45,443,759	23,845,360
Cash and cash equivalents, end of period	$ 49,958,339	$ 29,817,517