CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ (13,097,023)	$ (1,291,098)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	1,107,955	862,683
Amortization of bond premium	0	5,068
Stock-based compensation	1,687,523	1,678,107
Provision for uncollectible accounts	734,243	3,690
Provision for sales returns	(276,000)	723,000
Provision for inventory reserves	295,000	264,000
Provision (benefit) for deferred income taxes	4,039,723	(307,133)
Loss on abandonment of assets	10,523	98,027
Changes in assets and liabilities:
Accounts receivable	4,276,236	(2,833,064)
Interest receivable	0	694
Inventory	3,178,473	(9,880,092)
Prepaid expenses and other assets, net	116,459	(260,726)
Accounts payable	(384,465)	1,557,966
Accrued cooperative advertising	32,000	(12,000)
Accrued income taxes	12,240	11,712
Accrued expenses and other liabilities	302,110	67,664
Net cash provided by (used in) operating activities	2,034,997	(9,311,502)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(545,543)	(800,367)
Proceeds from call of long-term investments	0	500,000
Patent, license rights, and trademark costs	(55,518)	(110,378)
Net cash used in investing activities	(601,061)	(410,745)
CASH FLOWS FROM FINANCING ACTIVITIES:
Stock option exercises	0	420,942
Tax effect of stock based compensation	0	13,868
Net cash provided by financing activities	0	434,810
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	1,433,936	(9,287,437)
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	2,573,405	11,860,842
CASH AND CASH EQUIVALENTS, END OF PERIOD	4,007,341	2,573,405
Supplemental disclosure of cash flow information:
Cash paid during the year for interest	901	2,106
Cash paid during the year for income taxes	0	5,570
Non-cash investing activities:
Tenant improvement allowance received under operating lease	$ 550,160	$ 0