CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash	$ 4,141	$ 4,602
Accounts receivable, net	1,360	2,543
Inventory	1,344	1,816
Prepaid expenses and other current assets	919	965
Total current assets	7,764	9,926
Property and equipment, net	910	1,316
Goodwill	7,366	7,907
Intangibles, net	11,348	12,572
Operating lease - right of use asset, net	1,806	3,117
Other assets	99	71
Total assets	29,293	34,909
Current liabilities:
Long-term debt, current maturities	3,665	2,664
Accounts payable	643	647
Accrued expenses and other current liabilities	1,174	1,752
Deferred revenue	2,139	1,901
Current portion of operating lease liabilities	898	1,294
Total current liabilities	8,519	8,258
Long-term liabilities:
Long-term debt, net of current portion and net of discount	4,304	2,843
Operating lease liabilities, net of current portion	1,063	2,020
Other long-term liabilities	0	3
Total long-term liabilities	5,367	4,866
Total liabilities	13,886	13,124
Commitments and contingencies (see Note 13)
Stockholders’ equity:
Common stock, $.0001 par value; 150,000,000 shares authorized; 5,340,162 shares issued and 5,226,879 outstanding at June 30, 2020 and 5,266,828 shares issued and 5,161,543 outstanding at December 31, 2019	1	1
Treasury stock, 113,283 and 105,285 shares at June 30, 2020 and December 31, 2019, respectively	(181)	(165)
Additional paid-in capital	207,535	207,383
Accumulated deficit	(191,948)	(185,434)
Total stockholders’ equity	15,407	21,785
Total liabilities and stockholders’ equity	29,293	34,909
Series A-2 Preferred Stock
Stockholders’ equity:
Preferred stock	$ 0	$ 0
Preferred stock, convertible, par value (in dollars per share)	$ 0.0001	$ 0.0001
Series C Preferred Stock
Stockholders’ equity:
Preferred stock	$ 0	$ 0
Preferred stock, convertible, par value (in dollars per share)	$ 0.0001	$ 0.0001
Series D Preferred Stock
Stockholders’ equity:
Preferred stock	$ 0	$ 0
Preferred stock, convertible, par value (in dollars per share)	$ 0.0001	$ 0.0001
Series E Preferred Stock
Stockholders’ equity:
Preferred stock	$ 0	$ 0
Preferred stock, convertible, par value (in dollars per share)	$ 0.0001	$ 0.0001