CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities:
Net loss	$ (1,112,197)	$ (4,296,612)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	316,241	396,871
Share-based payment compensation	397,152	290,286
Non-cash professional services expenses	48,262	700,324
Loss on disposal of fixed assets	63,774	0
Provision (benefit) for returns and doubtful accounts	29,651	(4,762)
Deferred income tax provision	23,936	6,630
Changes in operating assets and liabilities:
Accounts receivable	1,453,723	1,389,080
Prepaid expenses and other current assets	12,379	260,358
Inventory	0	40,505
Other assets	(23,484)	32,679
Accounts payable	352,657	83,243
Accrued expenses and other long-term liabilities	(1,139,133)	(820,971)
Deferred revenue	(289,341)	(73,970)
Net cash provided by (used in) operating activities	133,620	(1,996,339)
Cash flows from investing activities:
Sales of marketable securities	0	4,477,000
Purchases of marketable securities	0	(150,000)
Purchases of property and equipment	(44,123)	(102,266)
Security deposits	(23,536)	78,009
Purchase of intangible assets	(40,310)	(20,679)
Net cash (used in) provided by investing activities	(107,969)	4,282,064
Cash flows from financing activities:
Payments for tax withholding for share-based compensation	(9,308)	0
Net cash used in financing activities	(9,308)	0
Effect of exchange rate changes on cash and cash equivalents	23,892	33,802
Net increase in cash and cash equivalents	40,235	2,319,527
Cash and cash equivalents, beginning of period	3,391,528	6,013,382
Cash and cash equivalents, end of period	3,431,763	8,332,909
Supplemental disclosures:
Cash paid for income taxes, net	47,411	30,568
Non-cash investing and financing activities:
Undistributed Series A redeemable convertible preferred stock dividends	204,575	192,608
Series A redeemable convertible preferred stock dividend payment	$ 0	$ 188,805