Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Current assets
Cash and cash equivalents	$ 1,554	$ 3,173
Marketable securities, available for sale	6,687	18,765
Escrow receivable, current portion	4,830	2,500
Accounts receivable, net	2,968	1,945
Inventory	1,903	1,531
Prepaid expenses and other current assets	296	481
Assets held for sale, discontinued operations		22
Total current assets	18,238	28,417
Property, plant and equipment, net of accumulated depreciation of $5,854 and $5,471, respectively	2,499	2,742
Escrow receivable		2,500
TOTAL ASSETS	20,737	33,659
Current liabilities
Accounts payable	437	562
Accrued advertising and other allowances	101	200
Dividend payable	2,929
Other current liabilities	766	1,050
Total current liabilities	4,233	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 28,201,541 and 27,696,593 shares, respectively	14	14
Additional paid-in capital	59,471	58,034
Retained earnings	4,533	20,902
Treasury stock, at cost, 16,652,022 and 16,566,701 shares	(47,490)	(47,025)
Accumulated comprehensive loss	(24)	(78)
Total stockholders' equity	16,504	31,847
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 20,737	$ 33,659