Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Jun. 30, 2020	Dec. 31, 2019	[1]
Current assets:
Cash and cash equivalents	$ 24,735,000	$ 6,548,000
Investments	270,000	335,000
Accounts receivable, net of allowance for doubtful accounts of $62,000 as of June 30, 2020 and $53,000 as of December 31, 2019	6,661,000	3,568,000
Accounts receivable, related party	952,000	724,000
Inventories	11,980,000	11,303,000
Prepaid expenses	4,110,000	3,587,000
Total current assets	48,708,000	26,065,000
Property and equipment, net	4,004,000	3,943,000
Goodwill	55,000	55,000
Definite-lived intangible assets, net	9,000	11,000
Right-of-use assets	2,728,000	3,178,000
Equity investment in unconsolidated affiliate	5,045,000	4,839,000
Total assets	60,549,000	38,091,000
Current liabilities:
Accounts payable	2,575,000	501,000
Accrued liabilities	1,718,000	920,000
Customer advance payments of orders	6,475,000
Lease liabilities	889,000	882,000
Total current liabilities	11,657,000	2,303,000
Lease liabilities, net of current portion	1,887,000	2,337,000
Deferred income tax liabilities, net	224,000	224,000
Total liabilities	13,768,000	4,864,000
Commitments
Shareholders' equity:
Common stock, $.01 par value: 50,000,000 shares authorized; 13,563,012 and 12,885,273 shares outstanding as of June 30, 2020 and December 31, 2019, respectively	136,000	129,000
Additional paid-in capital	2,694,000	708,000
Retained earnings	43,951,000	32,390,000
Total shareholders' equity	46,781,000	33,227,000
Total liabilities and shareholders' equity	$ 60,549,000	$ 38,091,000

[1] The condensed consolidated balance sheet as of December 31, 2019 has been prepared using information from the audited consolidated balance sheet as of that date.