Consolidated Balance Sheets - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Current assets
Cash and cash equivalents	$ 7,814,220	$ 749,517
Accounts receivable, net	678,646	503,983
Inventory, net	826,012	369,742
Prepaid expenses and other current assets	572,489	90,233
Total current assets	9,891,367	1,713,475
Property and equipment, net	1,074,710	587,956
Deferred IPO issuance costs	0	296,041
Intangible assets, net	1,888,814	0
Goodwill	637,528	0
Other noncurrent assets	270,327	57,459
Total assets	13,762,746	2,654,931
Current liabilities
Accounts payable	2,285,792	1,160,081
Accrued compensation and benefits	1,081,270	423,099
Deferred rent, current portion	303,719	26,000
Accrued liabilities	920,286	967,657
Deferred revenue	50,925	339,171
Short-term notes payable	0	1,505,000
Current maturities of long-term capital lease obligations	251,800	100,499
Short term convertible notes, net of discounts	0	1,500,000
Total current liabilities	4,893,792	6,021,507
Long-term capital lease obligations and other liabilities	377,908	134,149
Notes payable	1,000,000	0
Total liabilities	$ 6,271,700	6,155,656
Commitments and contingencies (Note 10)
Redeemable convertible preferred stock
Total redeemable convertible preferred stock	$ 0	4,564,899
Stockholders' equity (deficit)
Common stock, $.01 par value; 200,000,000 shares authorized; 12,547,684 and 493,178 shares issued and outstanding at December 31, 2015 and 2014, respectively	125,477	4,932
Additional paid-in capital	121,490,994	88,701,737
Accumulated other comprehensive loss	(1,059)	0
Accumulated deficit	(114,124,366)	(96,772,293)
Total stockholders' equity (deficit)	7,491,046	(8,065,624)
Total liabilities, preferred stock and stockholders’ equity (deficit)	13,762,746	2,654,931
Series A Redeemable Convertible Preferred Stock
Redeemable convertible preferred stock
Total redeemable convertible preferred stock	$ 0	$ 4,564,899