CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net loss	$ (322,825)	$ (9,807,667)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	760,409	1,041,762
Share-based payment compensation	241,992	851,449
Non-cash professional services expenses	40,000	1,540,713
Restructuring costs	0	177,389
Payment of restructuring costs	0	(63,714)
Loss on disposal of fixed assets	63,774	0
Provision for returns and doubtful accounts	99,312	41,970
Deferred income taxes	35,831	(273,648)
Changes in operating assets and liabilities:
Accounts receivable	2,820,410	3,170,149
Prepaid expenses and other current assets	287,844	425,663
Inventory	0	64,353
Other assets	(371,543)	32,587
Accounts payable	710,509	(271,992)
Accrued expenses and other long-term liabilities	(940,641)	(1,539,956)
Deferred revenue	(4,976,493)	(2,517,096)
Net cash used in operating activities	(1,551,421)	(7,128,038)
Cash flows from investing activities:
Sales of marketable securities	0	7,066,000
Purchases of marketable securities	0	(150,000)
Purchases of property and equipment	(9,686)	(132,268)
Security deposits	(35,028)	82,633
Purchase of intangible assets	(63,999)	(93,167)
Net cash (used in) provided by investing activities	(108,713)	6,773,198
Cash flows from financing activities:
Payments for tax withholding for share-based compensation	(25,710)	0
Net cash used in financing activities	(25,710)	0
Effect of exchange rate changes on cash and cash equivalents	45,626	(14,932)
Net decrease in cash and cash equivalents	(1,640,218)	(369,772)
Cash and cash equivalents, beginning of period	3,391,528	6,013,382
Cash and cash equivalents, end of period	1,751,310	5,643,610
Supplemental disclosures:
Cash paid for income taxes, net	207,399	549,289
Non-cash investing and financing activities:
Undistributed Series A redeemable convertible preferred stock dividends	634,664	194,012
Series A redeemable convertible preferred stock dividend payment	$ 0	$ 576,779