CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities:
Net income (loss)	$ 2,594,195	$ (1,470,851)
Adjustments to reconcile net income (loss) to net cash from operating activities:
Depreciation and amortization	1,058,581	1,225,667
Share-based payment compensation	731,584	832,099
Non-cash professional services expenses	69,190	2,616
Gain on Estate litigation settlement	0	(5,293,319)
Restructuring costs	157,971	786,486
Payment of restructuring costs	(422,868)	(749,724)
Loss on disposal of fixed assets	13,185	0
Provision (benefit) for returns and doubtful accounts	17,808	(23,530)
Deferred income tax provision	32,898	(12,090)
Changes in operating assets and liabilities:
Accounts receivable	2,655,194	3,584,824
Prepaid expenses and other current assets	(176,307)	6,394
Inventory	202,257	226,995
Other assets	41,492	212,453
Accounts payable	(100,169)	323,445
Accrued expenses and other long-term liabilities	1,472,222	(1,550,577)
Deferred revenue	(9,994,575)	3,333,415
Net cash (used in) provided by operating activities	(1,647,342)	1,434,303
Cash flows from investing activities:
Sales of marketable securities	6,328,000	21,591,226
Purchases of marketable securities	(6,041,913)	(23,211,804)
Purchases of property and equipment	(505,357)	(328,019)
Capitalized software development costs	(14,100)	0
Security deposits	166,003	(74,229)
Purchase of intangible assets	(139,989)	(42,853)
Net cash used in investing activities	(207,356)	(2,065,679)
Cash flows from financing activities:
Proceeds from exercise of stock options	42,412	24,684
Repurchase of common stock	(137,859)	0
Dividends paid on Series A redeemable convertible preferred stock	(377,690)	(403,283)
Net cash used in financing activities	(473,137)	(378,599)
Effect of exchange rate changes on cash and cash equivalents	(238,507)	55,320
Net decrease in cash and cash equivalents	(2,566,342)	(954,655)
Cash and cash equivalents, beginning of period	10,873,891	19,288,340
Cash and cash equivalents, end of period	8,307,549	18,333,685
Supplemental disclosures:
Cash paid for income taxes, net	98,653	30,428
Non-cash financing activities:
Undistributed Series A redeemable convertible preferred stock dividends	$ 186,904	$ 186,904