Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Dec. 31, 2019	Mar. 31, 2019
Current assets:
Cash	$ 1,609,000	$ 840,000
Accounts receivable, net of allowance for doubtful accounts of $13 at December 31, 2019 and $27 at March 31, 2019	1,581,000	1,982,000
Inventories, net	11,206,000	11,274,000
Prepaid expenses and other current assets	424,000	496,000
Total current assets	14,820,000	14,592,000
Equipment and leasehold improvements, net	13,474,000	14,752,000
Operating lease right-of-use assets, net	3,909,000
Other assets	234,000	282,000
Total assets	32,437,000	29,626,000
Current liabilities:
Accounts payable	2,700,000	4,922,000
Accrued expenses	901,000	992,000
Customer deposits	409,000	626,000
Operating lease obligations, current portion	311,000
Short-term contract obligation	38,000	285,000
Line of credit	2,000,000	2,000,000
Current maturities of long-term debt	700,000	663,000
Total current liabilities	7,059,000	9,488,000
Long-term debt, less current maturities	6,172,000	5,172,000
Long-term operating lease obligations	3,603,000
Other long-term liabilities	57,000	57,000
Total liabilities	16,891,000	14,717,000
Commitments and contingencies
Stockholders’ equity:
Preferred stock of $0.01 par value, authorized 10,000,000 shares; no shares issued and outstanding
Common stock of $0.02 par value, authorized 50,000,000 shares; issued and outstanding 5,925,717 shares at December 31, 2019 and 5,879,710 shares at March 31, 2019	118,000	117,000
Additional paid-in capital	32,817,000	32,447,000
Accumulated deficit	(17,389,000)	(17,655,000)
Total stockholders’ equity	15,546,000	14,909,000
Total liabilities and stockholders’ equity	$ 32,437,000	$ 29,626,000