Balance Sheets - USD ($)
|
Mar. 31, 2018 |
Mar. 31, 2017 |
| ASSETS |
|
|
| Cash and cash equivalents |
$ 4,755,082
|
$ 8,199,364
|
| Marketable securities, short-term |
20,765,809
|
19,591,833
|
| Accounts receivable, net of allowance for uncollectible accounts of $15,000 |
2,888,779
|
3,436,802
|
| Inventories |
3,650,439
|
3,358,298
|
| Prepaid expenses and other assets |
635,160
|
607,283
|
| Total current assets |
32,695,269
|
35,193,580
|
| Fixed assets |
|
|
| Machinery and equipment |
9,395,987
|
9,007,455
|
| Leasehold improvements |
1,749,284
|
1,644,419
|
|
11,145,271
|
10,651,874
|
| Less accumulated depreciation and amortization |
9,819,888
|
9,238,626
|
| Net fixed assets |
1,325,383
|
1,413,248
|
| Deferred tax assets |
572,655
|
357,055
|
| Marketable securities, long-term |
52,838,158
|
56,810,923
|
| Total assets |
87,431,465
|
93,774,806
|
| LIABILITIES AND SHAREHOLDERS’ EQUITY |
|
|
| Accounts payable |
414,970
|
376,275
|
| Accrued payroll and other |
574,755
|
576,313
|
| Deferred revenue |
|
142,733
|
| Total current liabilities |
989,725
|
1,095,321
|
| Shareholders’ equity |
|
|
| Common stock, $0.01 par value, 6,000,000 shares authorized; 4,842,010 issued and outstanding as of March 31, 2018 and 4,841,010 issued and outstanding as of March 31, 2017 |
48,420
|
48,410
|
| Additional paid-in capital |
19,599,298
|
19,507,348
|
| Accumulated other comprehensive loss |
(915,635)
|
(38,298)
|
| Retained earnings |
67,709,657
|
73,162,025
|
| Total shareholders’ equity |
86,441,740
|
92,679,485
|
| Total liabilities and shareholders’ equity |
$ 87,431,465
|
$ 93,774,806
|