ACCOUNTING STANDARDS UPDATES-summarize the impact of the adoption of ASC 606 (Details) - USD ($)	3 Months Ended		12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Mar. 31, 2018	Apr. 01, 2018
ASSETS
Contract assets	$ 4,175,499		$ 347,896	$ 2,056,414
Inventories	1,025,211		2,088,485	976,693
Deferred tax assets	2,423,515		2,046,298
LIABILITIES
Contract liabilities	1,458,319		180,706	$ 890,802
Accrued expenses	752,717		788,084
SHAREHOLDERS' EQUITY
Retained earnings	57,048		(576,617)
Net sales	4,098,823	$ 5,830,386
Cost of sales	3,046,299
Selling, general and administrative	730,465	919,759
Income (loss) before income taxes	229,414
Income tax provision (benefit)	65,029	$ 287,635
Net income (loss)	$ 164,385
Net income (loss) per share – basic	$ 0.01	$ 0.01
Net income (loss) per share – diluted	$ 0.01	$ 0.01
Statement of Cash Flows [Abstract]
Net income	$ 164,385	$ 424,502	$ (265,908)
Adjustments to reconcile net income to net cash used in operating activities:
Change in contract loss provision	15,875	(130,662)
Deferred income taxes	65,029	273,528
Changes in operating assets and liabilities:
Inventories	48,518	1,294,314
Contract assets	2,119,085	0
Accrued expenses	118,339	15,254
Contract liabilities	(567,517)	$ 68,522
Restatement Adjustment [Member]
ASSETS
Contract assets	(4,175,499)
Inventories	2,105,312
Deferred tax assets	251,635
LIABILITIES
Contract liabilities	(1,165,622)
Accrued expenses	37,313
SHAREHOLDERS' EQUITY
Retained earnings	(690,244)
Net sales	(2,466,981)
Cost of sales	(1,551,220)
Selling, general and administrative	(914)
Income (loss) before income taxes	(914,848)
Income tax provision (benefit)	(244,250)
Net income (loss)	$ (670,598)
Net income (loss) per share – basic	$ (0.02)
Net income (loss) per share – diluted	$ (0.02)
Statement of Cash Flows [Abstract]
Net income	$ (670,598)
Adjustments to reconcile net income to net cash used in operating activities:
Change in contract loss provision	85,694
Deferred income taxes	(251,635)
Changes in operating assets and liabilities:
Inventories	(2,105,312)
Contract assets	4,175,499
Accrued expenses	(68,207)
Contract liabilities	(1,165,622)
Previously Reported [Member]
ASSETS
Contract assets	0
Inventories	3,130,523
Deferred tax assets	2,675,150
LIABILITIES
Contract liabilities	292,697
Accrued expenses	790,030
SHAREHOLDERS' EQUITY
Retained earnings	(633,196)
Net sales	1,631,842
Cost of sales	1,495,079
Selling, general and administrative	729,551
Income (loss) before income taxes	(685,434)
Income tax provision (benefit)	(179,221)
Net income (loss)	$ (506,213)
Net income (loss) per share – basic	$ (0.01)
Net income (loss) per share – diluted	$ (0.01)
Statement of Cash Flows [Abstract]
Net income	$ (506,213)
Adjustments to reconcile net income to net cash used in operating activities:
Change in contract loss provision	69,819
Deferred income taxes	(186,606)
Changes in operating assets and liabilities:
Inventories	(2,153,830)
Contract assets	2,056,414
Accrued expenses	50,132
Contract liabilities	$ (598,105)