Consolidated Statements of Cash Flows - USD ($)	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities
Net loss	$ (1,638,502)	$ (3,210,225)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation	176,251	183,893
Stock-based compensation expense	643,768	402,763
Stock issued for services	35,625	0
Write-off of deferred financing costs	0	86,736
Amortization of deferred rent related to lease incentives	(63,499)	(63,499)
Amortization of debt discount	155,996	31,199
Accretion and amortization on available for sale investments	0	1,792
Loss from equity-method investment in SAVSU	489,473	0
(Increase) Decrease in
Accounts receivable, trade	20,610	(354,726)
Inventories	(11,286)	(76,094)
Prepaid expenses and other current assets	(135,905)	(50,151)
Increase (Decrease) in
Accounts payable	(124,239)	207,369
Accrued compensation and other current liabilities	56,442	37,527
Accrued interest, related party	185,417	8,333
Deferred rent	(62,419)	19,929
Net cash used in operating activities	(272,268)	(2,775,154)
Cash flows from investing activities
Sales of available-for-sale investments	0	1,650,000
Costs associated with internal use software development	0	(695,044)
Purchase of property and equipment	(78,185)	(99,353)
Net cash provided by (used in) investing activities	(78,185)	855,603
Cash flows from financing activities
Proceeds from related party debt	1,000,000	1,000,000
Payments on equipment loan	(8,176)	0
Payments on capital lease obligations	(4,360)	0
Proceeds from exercise of common stock options and warrants	314,024	151,498
Deferred costs related to potential stock issuance	(42,228)	(86,736)
Net cash provided by financing activities	1,259,260	1,064,762
Net increase (decrease) in cash and cash equivalents	908,807	(854,789)
Cash and cash equivalents - beginning of period	1,405,826	2,173,258
Cash and cash equivalents - end of period	2,314,633	1,318,469
Non-cash investing and financing activities
Costs incurred for capitalized internal use software not paid as of quarter end (amounts are included in liabilities)	0	42,760
Stock issued for services provided in prior period included in liabilities at year-end	35,624	0
Preferred stock issued on conversion of related party note payable and accrued interest	4,250,000	0
Preferred stock issuance costs not yet paid	8,038	0
Capital lease obligations incurred for purchases of equipment	52,327	0
Purchase of equipment with debt	39,243	0
Debt discount related to warrants	$ 0	$ 374,390