CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $)	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash flows from operating activities:
Net loss	$ (1,470,851)	$ (9,587,738)
Adjustments to reconcile net loss to net cash from operating activities:
Depreciation and amortization	1,225,667	1,369,782
Share-based payment compensation	832,099	1,131,530
Non-cash professional services expenses	2,616	0
Gain on Estate litigation settlement	(5,293,319)	0
Restructuring costs	786,486	0
Payment of restructuring costs	(749,724)	(478)
Realized gain on marketable securities	0	(3,199)
Provision for returns and doubtful accounts	(23,530)	(378,923)
Deferred income tax provision	(12,090)	(7,772)
Changes in operating assets and liabilities:
Accounts receivable	3,584,824	4,791,340
Prepaid expenses and other current assets	6,394	281,372
Inventory	226,995	(261,379)
Other assets	212,453	(39,742)
Accounts payable	323,445	(712,032)
Accrued expenses and other long-term liabilities	(1,550,577)	(2,167,820)
Deferred revenue	3,333,415	(1,237,922)
Net cash provided by (used in) operating activities	1,434,303	(6,822,981)
Cash flows from investing activities:
Sales of marketable securities	21,591,226	7,480,733
Purchases of marketable securities	(23,211,804)	(4,789,832)
Purchases of property and equipment	(328,019)	(1,116,911)
Capitalized software development costs	0	(247,429)
Security deposits	(74,229)	(250,000)
Purchase of intangible assets	(42,853)	(61,781)
Net cash (used in) provided by investing activities	(2,065,679)	1,014,780
Cash flows from financing activities:
Proceeds from exercise of stock options	24,684	697,500
Dividends paid on Series A preferred stock	(403,283)	0
Net cash (used in) provided by financing activities	(378,599)	697,500
Effect of exchange rate changes on cash and cash equivalents	55,320	(246,987)
Net decrease in cash and cash equivalents	(954,655)	(5,357,688)
Cash and cash equivalents, beginning of period	19,288,340	18,651,468
Cash and cash equivalents, end of period	18,333,685	13,293,780
Supplemental disclosures:
Cash paid/(refund received) for income taxes, net	30,428	(132,217)
Non-cash financing activities:
Undistributed preferred stock dividends	$ 186,904	$ 0