Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Current assets:
Cash	$ 2,101	$ 6,227
Accounts receivable, net of allowance of $4,534 and $2,651, respectively	8,954	8,566
Inventories, net	8,866	7,945
Prepaid expenses and other current assets	8,132	6,560
Total current assets	28,053	29,298
Property and equipment, net	562	1,117
Intangible assets, net	20,550	21,308
Goodwill	17,797	17,797
Other assets	1,682	1,720
Total assets	68,644	71,240
Current liabilities:
Accounts payable	7,501	8,081
Accrued expenses and other current liabilities	18,730	15,824
Derivative liabilities	6,046	4,359
Notes payable and current portion of long-term debt, net of discount of $2,000 and $3,797, respectively	76,695	70,539
Total current liabilities	108,972	98,803
Long-term liabilities:
Deferred gain on sale of assets	1,257	1,324
Long-term debt, net of current portion	15,000	15,000
Total long-term liabilities	16,257	16,324
Total liabilities	125,229	115,127
Stockholders’ deficit:
Preferred stock, $0.001 par value, 500,000,000 shares authorized, no shares issued and outstanding
Common stock, $0.001 par value, 5,000,000,000 shares authorized, 390,449,879 shares issued	390	390
Additional paid-in capital	231,253	230,625
Stock subscriptions receivable	(30)	(30)
Treasury stock, 134,806,051 shares at cost	(500)	(500)
Accumulated deficit	(287,698)	(274,372)
Total stockholders’ deficit	(56,585)	(43,887)
Total liabilities and stockholders' deficit	$ 68,644	$ 71,240