CONDENSED CONSOLIDATED BALANCE SHEETS (USD $)	Sep. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 22,950,643	$ 18,651,468
Restricted cash	750,000	750,000
Marketable securities	5,764,839	10,530,942
Accounts receivable, net of allowances of $236,695 and $940,101, respectively	8,683,369	14,130,302
Prepaid expenses and other current assets	2,123,561	2,796,665
Inventory	752,440	642,819
Deferred tax assets, net	410,440	464,031
Total current assets	41,435,292	47,966,227
Property and equipment, net of accumulated depreciation of $17,848,663 and $16,131,570, respectively	3,384,709	3,980,679
Deferred tax assets, net	86,465	86,465
Software development costs, net	1,745,934	1,161,822
Other assets	2,475,753	2,185,148
Goodwill	4,150,339	4,150,339
Other intangible assets, net	183,645	174,426
Total assets	53,462,137	59,705,106
Current liabilities:
Accounts payable	1,727,307	2,801,372
Accrued expenses	13,512,497	16,720,582
Deferred revenue, net	16,947,868	17,831,653
Total current liabilities	32,187,672	37,353,607
Other long-term liabilities	766,869	2,618,818
Deferred tax liabilities, net	179,612	167,875
Deferred revenue, net	8,345,416	6,311,865
Total liabilities	41,479,569	46,452,165
Commitments and contingencies
Series A redeemable convertible preferred stock, $.001 par value, 2,000,000 shares authorized, 900,000 shares issued and outstanding, redemption value of $9,000,000	6,627,136	0
Stockholders' equity:
Common stock - $.001 par value, 100,000,000 shares authorized, 56,036,972 and 55,615,972 shares issued, respectively and 48,031,737 and 47,610,737 shares outstanding, respectively	56,037	55,616
Additional paid-in capital	166,571,184	162,673,833
Accumulated deficit	(112,717,520)	(100,910,119)
Common stock held in treasury, at cost (8,005,235 and 8,005,235 shares, respectively	(46,916,339)	(46,916,339)
Accumulated other comprehensive loss, net	(1,637,930)	(1,650,050)
Total stockholders' equity	5,355,432	13,252,941
Total liabilities and stockholders' equity	$ 53,462,137	$ 59,705,106