Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities
Net loss	$ (2,302,660)	$ (1,442,727)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation	168,727	122,725
Stock-based compensation expense	158,371	109,176
Stock to be issued for services	0	150,000
Amortization of deferred financing costs	0	13,022
Amortization of deferred rent related to lease incentives	(63,500)	(80,137)
Accretion and amortization on available for sale investments	65,485	19,640
Change in operating assets and liabilities
(Increase) Decrease in Accounts receivable, trade	92,236	442,776
(Increase) Decrease in Inventories	(356,033)	(257,232)
(Increase) Decrease in Prepaid expenses and other current assets	47,762	9,645
Increase (Decrease) in
Accounts payable	(99,771)	(696,964)
Accrued compensation and other current liabilities	(267,229)	(324,423)
Accrued interest, related parties	0	177,308
Deferred rent	21,651	(10,453)
Net cash used in operating activities	(2,534,961)	(1,767,644)
Cash flows from investing activities
Sales of available-for-sale investments	4,725,000	0
Purchase of available-for-sale investments	(342,872)	(6,065,524)
Costs associated with internal use software development	(497,480)	0
Purchase of property and equipment	(72,009)	(97,699)
Net provided by (used in) investing activities	3,812,639	(6,163,223)
Cash flows from financing activity
Proceeds from sale of common stock, net of expenses	0	13,596,230
Proceeds from exercise of common stock options	79,969	80,592
Net cash provided by financing activity	79,969	13,676,822
Net increase in cash and cash equivalents	1,357,647	5,745,955
Cash and cash equivalents - beginning of period	2,538,758	156,273
Cash and cash equivalents - end of period	3,896,405	5,902,228
Non-cash investing activities
Costs incurred for capitalized internal use software not paid as of quarter end (amounts are included in liabilities)	265,380	0
Non-cash financing activities
Conversion of notes payable and related party accrued interest to equity, net of unamortized deferred finance costs (See Note 1)	$ 0	$ 14,180,193