Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets
Cash and cash equivalents	$ 2,269	$ 3,173
Marketable securities, available for sale	6,866	18,765
Escrow receivable, current portion	4,840	2,500
Accounts receivable, net	1,051	1,945
Inventory	2,717	1,531
Prepaid expenses and other current assets	353	481
Assets held for sale, discountinued operations		22
Total current assets	18,096	28,417
Property, plant and equipment, net of accumulated depreciation of $5,758 and $5,471, respectively	2,479	2,742
Escrow receivable		2,500
TOTAL ASSETS	20,575	33,659
Current liabilities
Accounts payable	380	562
Accrued advertising and other allowances	87	200
Other current liabilities	409	1,050
Total current liabilities	876	1,812
COMMITMENTS AND CONTINGENCIES
Stockholders' equity
Preferred stock authorized 1,000,000, $.0005 par value, no shares issued
Common stock authorized 50,000,000, $.0005 par value, issued 28,108,746 and 27,696,593 shares, respectively	14	14
Additional paid-in capital	58,805	58,034
Retained earnings	7,929	20,902
Treasury stock, at cost, 16,566,701 and 16,566,701 shares	(47,025)	(47,025)
Accumulated comprehensive loss	(24)	(78)
Totalstockholders' equity	19,699	31,847
TOTALLIABILITIES AND STOCKHOLDERS' EQUITY	$ 20,575	$ 33,659