Condensed Consolidated Balance Sheets - USD ($)	Sep. 30, 2016	Dec. 31, 2015
Current assets
Cash and cash equivalents	$ 4,260,905	$ 7,814,220
Accounts receivable, net	446,686	678,646
Inventory, net	830,205	826,012
Prepaid expenses and other current assets	478,683	566,239
Total current assets	6,016,479	9,885,117
Property and equipment, net	862,643	1,074,710
Goodwill	600,814	637,528
Intangible assets, net	1,687,952	1,888,814
Deferred offering costs	137,178	0
Other noncurrent assets	270,464	270,327
Total assets	9,575,530	13,756,496
Current liabilities
Accounts payable	1,936,012	2,285,792
Accrued compensation and benefits	1,230,502	1,081,270
Accrued liabilities	1,155,317	920,286
Deferred revenue	64,424	50,925
Short term notes payable	1,099,974	0
Current maturities of long-term capital lease obligation	207,820	251,800
Total current liabilities	5,694,049	4,590,073
Deferred rent	421,913	352,985
Note payable	0	993,750
Long-term capital lease obligation and other noncurrent liabilities	184,391	328,642
Total liabilities	6,300,353	6,265,450
Stockholders' equity
Common stock, $0.01 par value; 200,000,000 shares authorized; 21,690,555 and 12,547,684 shares issued and outstanding at September 30, 2016 and December 31, 2015, respectively	216,905	125,477
Preferred stock, $0.01 par value; 10,000,000 shares authorized; none issued and outstanding at September 30, 2016 and December 31, 2015, respectively	0	0
Additional paid-in capital	131,590,858	121,490,994
Accumulated other comprehensive gain/(loss)	0	(1,059)
Accumulated deficit	(128,532,586)	(114,124,366)
Total stockholders’ equity	3,275,177	7,491,046
Total liabilities and stockholders’ equity	$ 9,575,530	$ 13,756,496